Use the distributive property to write the expression without parentheses. Then simplify, if necessary.7(6 - 2y)
A. 42 - 2y
B. 42 - 14y
C. 56y
D. 13 - 9y
Answer: B
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Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 9?
B. 3?
C. 18?
D. 
?
Convert the angle to decimal degrees and round to the nearest hundredth of a degree.87°13'49"
A. 87.29° B. 87.24° C. 87.23° D. 87.19°
For the function f, use composition of functions to show that f-1 is as given.Let 
. Show that 
.
What will be an ideal response?
Solve the problem.An area is to be fenced as shown in the figure. Only 200 feet of fencing is available. The fenced-in area is 
or A = x(100 - x) = -x2 + 100x.
i)Graph A = -x2 + 100x (using your graphing calculator)ii) Using the graph, estimate the value of x that will yield the maximum area.iii) Find the maximum area.
A.
| ii) | x = 48 ft |
B.
| ii) | x = 100 ft |
C.
| ii) | x = 25 ft |
D.
| ii) | x = 50 ft |