? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.Given that sin ? = 
and cos ? = 
, find the value of sec ?.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A pulley of radius 25 cm rotates 7 times in 4 sec. Find the angular speed of the pulley.
A. 
radians per sec
B. 
radians per sec
C. 
radian per sec
D. 
radian per sec
Mathematics
Solve the problem. Round your answer to the nearest cent.Find the 12-year future value of an ordinary annuity with a contribution of $1000 per year into an account that pays 6% per year, compounded annually.
A. $3163.83 B. $16,869.94 C. $14,971.64 D. $33,536.61
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.
x = 14
A. {-0.26} B. {-3.81} C. {-7.00} D. {3.81}
Mathematics
Graph the linear inequality.y ? 5x
A. 
B. 
C. 
D. 
Mathematics