Solve the problem.A boat is 84 feet from the base of cliff. If the distance from the top of the cliff to the boat is 21 less than twice the height of the cliff to the water. Find the height of the cliff. Round to the nearest tenth of a foot if necessary.
A. 105 ft
B. 63 ft
C. 49 ft
D. 35 ft
Answer: B
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Graph the polar equation.r = 5 sin 4?
A. 
B. 
C. 
D. 
Inflation in a certain country remains constant at 6% per year. That means prices increase by 6% each year.
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A: Explain why prices are an exponential function of time.
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B: Using 
for initial price, write a formula that gives the price P after t years.
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C: How long will it take prices to double? Round your answer to two decimal places if necessary.
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What will be an ideal response?
Solve the problem. Round to the nearest cent unless otherwise noted.Find the annual payment required to accumulate $400,000 in 15 years at an APR of 9.5% compounded annually for an annuity.
A. $19,275.09 B. $10,950.18 C. $13,097.48 D. $15,801.78
Provide an appropriate response.Convert 138° to radians rounded to the nearest hundredth.
A. 4.10 rad B. 0.77 rad C. 2.41 rad D. 138 rad