An offshore oil well is leaking oil and creating a circular oil slick. If the radius of the slick is growing at a rate of 7 miles per hour, find the rate at which the area is increasing when the radius is 3 miles. (The area of a disc of radius r is 
.)
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = -2, B = 0, C = 1 B. A = 1, B = 0, C = -2 C. A = 1, B = -2, C = 0 D. A = -2, B = 1, C = 0
Mathematics
Write the decimal as a fraction or mixed number in lowest terms.7.2
A. 7
B. 7
C. 
D. 1
Mathematics
If the infinite curve 
is rotated about the x-axis , find the area of the resulting surface.
What will be an ideal response?
Mathematics
Rewrite the inequality using interval notation. Then graph the inequality.3 ? x ? 7
A. [3, 7)
B. (3, 7)
C. [3, 7]
D. (3, 7]
Mathematics