twenty points 20 poits

What physical property and reaction type are used by extraction as useful techniques to separate and purify mixtures of compounds?. Moving forward, petroleum faces an uncertain future. Explain petroleum futures, using correct terminology to describe what is currently known about the petroleum supply, and apply this knowledge to a discussion of the future of renewable resources. Your response should be one paragraph in length.Please help!! 4. What does the speaker mean when she says, "I am so perfect, so divine so ethereal so surreal /I cannot be comprehended except by my permission"? * Suppose that you are taking a course where the total class grade is the weighted average of your homework, worksheets, quizzes and tests.The homework is worth 15% of the course grade, worksheets are worth 20% of the course grade, the quizzes are worth 25% of the course grade, and tests are worth 40% of the course grade. To get a B in the course, you must have an overall average of at least 80%.Your current grades in each category are:Homework = 73 %, Worksheets = 79 %, and Quizzes = 84 %.What is the minimum test average you need to get a B in the course?.Your answer is: % (Round to at least 1 decimal place) the circumstances of the base is 48 cm. if the volume if the cone is 8640 cm cubed, what is the height? on a standardized test, phyllis scored 84, exactly one standard deviation above the mean. if the standard deviation for the test is 6, what is the mean score for the test? In total sales and the percent increase in sales of jackets. Then find which percent of increase is greater and by how much greater it is than the other. (Round your answer to the nearest tenth. )a. Sales of jackets increased 3. 6 percentage points faster than total coat sales. b. Sales of jackets increased 18. 8 percentage points faster than total coat sales. c. Total coat sales increased 8. 1 percentage points faster than sales of jackets. d. Total coat sales increased 24. 5 percentage points faster than sales of jackets What is the term to describe the way the federal reserve influences the money supply in the economy?. what are some potential drawbacks of using pest-resistant crops? water pollution the creation of pest-resistant weeds the creation of pesticide-resistant pests the repelling of beneficial insects all of these answers are potential drawbacks of using pest-resistant crops. Which is true about the relationship between 1 inch and 1 foot? A. 1 inch is 12 times as long as 1 foot. B. 1 foot is 12 times as long as 1 inch. C. 1 foot is 6 times as long as 1 inch. D. 1 inch is 6 times as long as 1 foot Yuriy and anduray will mail rectangular packages that meet the weight and height requirements of their delivery service. their packages are described inthe table.yurly's package packageheight4 in.7 in.length21 in.18 in.width9 in.14 in.part 1. the delivery service also requires that both the length and width of the packages to be 22 inches or less and that the length plus the width be nomore than 30 inches. write a system of inequalities to represent this situation. don't forget to define your variables and show your work Your gross pay is $2,500 and your net pay is $1,750. How much was withheld from your pay?a: $250b: $500c:750d:4,250 Match each term with its best definition Using the graph shown below: A) Evaluate [tex]f(c)[/tex].B) Solve for [tex]x[/tex]. If [tex]f(x)=p[/tex], what is [tex]x[/tex]?C) If [tex]f(b) = z[/tex], what is [tex]f(z)[/tex]?D) What are the coordinates of points L and K?D.1) What are the X and Y coordinates of point L?D.2) What are the X and Y coordinates of point K? TEWWG- Their Eyes Were Watching God (if you have read this book or know the answers more questions on my profile:)Consider the following statement: "Negative experiences, as well as positive ones, strengthen us and can help us become the person we are meant to be. " Do you think this is a theme of the novel? Why or why not? Explain your answer using textual evidence. (if you have read this book or know the answers more questions on my profile:) A boat heading out to sea starts out at point a, at a horizontal distance of 996 feet from a lighthouse/the shore. from that point, the boats crew measures the angle of elevation to the lighthouses beacon-light from that point to be 6^{\circ} . at some later time, the crew measures the angle of elevation from point b to be 4^{\circ} . find the distance from point a to point b. round your answer to the nearest foot if necessary. Round-off 108.76 to the nearest tens. 2. lines 17: what elements of style are in these lines? ("a poem for my librarian, mrs. long") please help!!!!!!!!!!!!!!!!!! Identify the angle or side that is common to triangle SUT and triangle SVTA. B. SVC. D. ST Find-F+2G+H-R using the Graphical Tail-to-Tip method.F = 45.0 N [S 45 W]G= 25.0 N[35 N of W]H=70.0 N [E 15 S]