Solve the problem.The volume of a sphere is increasing at a rate of 9 cm3/s. Find the rate of change of its surface area when its volume is 
cm3
A. 18 cm2/s
B. 
cm2/s
C. 12 cm2/s
D. 
cm2/s
Answer: A
Mathematics
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The formula for compound interest is 
where A is the amount accumulated from a principal of P dollars left untouched for n years with an annual interest rate r (expressed as a decimal). Use this formula and a calculator to find A to the nearest cent.P = $100, r = 0.01, n = 3
A. $53.03 B. $153.03 C. $103.03 D. $1,030,301.00
Mathematics
Solve the equation.
- 
= 0
A. 
B. 
C. 
D. 
Mathematics
Establish the identity.cot3x = cot x (csc2 x - 1)
What will be an ideal response?
Mathematics
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 19 in. B. 20 in. C. 14 in. D. 10.583 in.
Mathematics