Complete the identity.csc (2?) - sec (2?)(tan ? - 1) = ?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Suppose that the radius r and volume V = 
?r3 of a sphere are differentiable functions of t. Write an equation that relates dV/dt to dr/dt.
A. 
= 4?r2
B. 
= 4?
C. 
= 
?r2
D. 
= 3r2
Mathematics
Use the amortization table to find the monthly payment. 9% APR Monthly Payment Schedule 
$55,000 for 5 years
A. $1037.92 B. $931.14 C. $916.67 D. $1141.71
Mathematics
Find the probability.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a black 10 or a red 7.
A. 
B. 
C. 
D. 
Mathematics
Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $100 Amount of tax: $5.00
A. 7%, $105.00 B. 5%, $105.00 C. 0.5%, $105.00 D. 6%, $105.00
Mathematics