How much more interest will be earned if $7,000 is invested for 9 years at an annual rate of 9% compounded continuously, instead of at 9% compounded quarterly? Round your answer to the nearest cent.
A. $47.49
B. $93.15
C. $140.64
D. $2,924.71
E. $3,017.87
Answer: C
Mathematics
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Find the exact value of the following expression without using a calculator.cos 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A commuter travels to work, driving a distance d at speed r. At the end of the day, she returns home and drives the same distance 4 mph faster, at a speed r + 4. Her average speed for the round trip can be represented by the expression 
Simplify this expression.
A. 
B. 
C. 
D. 
Mathematics
If y varies inversely as x, write a general formula to describe the variation.y = 
when x = 24
A. y = 
B. y = 
C. y = 
D. y = 
x
Mathematics
Provide an appropriate response.Say the answer in the back of the book is -(x + 5)(x - 8). Is (x + 5)(8 - x) also correct?
A. Yes. B. No.
Mathematics