Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.4 ? 15

A. 73
B. 67
C. 60
D. 72


Answer: D

Mathematics

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The following table shows the average price P, in  dollars, of a gallon of regular gas t years after 2000.  t 0 2 4 7 P 1.55 1.38 1.95 2.88A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression equation.D: What price does the regression line predict for 2011?

What will be an ideal response?

Mathematics

Simplify.(x-4y5)-3

A.
B.  
C.  
D.  

Mathematics

Solve the problem. Round your answer, if appropriate.The radius of a right circular cylinder is increasing at the rate of , while the height is decreasing at the rate of . At what rate is the volume of the cylinder changing when the radius is 6 in. and the height is 13 in.?

A. -102 in.3/sec B. 612? in.3/sec C. 144 in.3/sec D. 144? in.3/sec

Mathematics

Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The curves  and 

A.
B.
C.
D.

Mathematics