Multiply and simplify.
? 
A. - 1
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response.If y varies inversely as the 4th power of x and y = 8 when x = -2, what is y when x = 0.5?
A. -2048 B. 128 C. 2048 D. 8
Mathematics
Find the present value or future value. Round to the nearest cent.Present Value: $5700Interest Rate: 10%Time: 270 daysFuture value: 
A. $6084.75 B. $5302.33 C. $6121.64 D. $6127.50
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? < ? < 
Find cos 
.
A. 
B. 
C. - 
D. - 
Mathematics
Simplify. Assume that variables can represent any real number.
A. 7t
B. 24
C. 7
D. 7t2
Mathematics