Use a proportion to solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 96 centimeters long plays a B, what is the length of the string that plays a D?
A. 123 centimeters
B. 112 centimeters
C. 162 centimeters
D. 178 centimeters
Answer: C
Mathematics
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Rewrite the expression with a positive rational exponent. Simplify, if possible.(163/4 ? 25-3/4)2
A. 8000
B. 
C. 189
D. 
Mathematics
Perform the indicated operation and, if possible, simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
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 = 0.03, n = 6
A. $69.41 B. $119.41 C. $1,194,052,296,529.00 D. $169.41
Mathematics
Perform the operation shown below and leave the result in trigonometric form.
A. 
B. 
C. 
D. 
E. 
Mathematics