Express in exponential form.9y ? 9y ? 9y ? 9y ? 9y ? 9y ? 9y
A. 9y7
B. (9y)7
C. 63y
D. 97y
Answer: B
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Write a differential formula that estimates the given change in volume or surface area.The change in the volume V = ?r2h of a right circular cylinder when the height changes from h0 to 
and the radius does not change
A. dV = 2?rh0 dh B. dV = ?r02 dr C. dV = ?r2h0 dh D. dV = ?r2 dh
Use a day counting table to determine the due date of the loan if the loan is made on the given date for the given number of days.November 23 for 90 days
A. February 21 B. February 26 C. January 21 D. February 20
Find the equation in standard form of an ellipse centered at the origin that passes through the given points.(-4, 0), (4, 0), (0, -8), and (0, 8)
A. 16x2 + 64y2 = 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Write the fractions in lowest terms. Then determine whether the pair of fractions is equivalent or not equivalent.
and 
A. Equivalent B. Not equivalent