Find the indicated quantity.d, when a1 = 16 and a8 = 37
A. 6
B. 3
C. 4
D. 1.5
Answer: B
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?Fill in the blank to make the following number divisible by 18, and explain why: 6488__
A. ?1, because the sum of the digits must be divisible by 9. B. ?4, because the number must end in an even number. C. ?4, because the number must end in an even number and the sum of the digits must be divisible by 9. D. ?there is no number that will work. E. ?any even number that will make the sum of the digits equal to a multiple of 3.
Evaluate the integral.
A. 
?
B. 
?
C. 5?
D. 
?
A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters.The spherical zone generated when the curve y = 
on the interval [2, 8] is revolved about the x-axis.
A. 
? m3
B. 
m3
C. 
? m3
D. 48? m3
Find an antiderivative of the given function.2 cos 9x
A. sin 9x
B. 2 sin 9x
C. - 18 sin 9x
D. 
sin 9x