Use half-angle identities to find the exact value of the expression.sin 22.5°
A. 
B. - 
C. 
D. - 
Answer: C
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Find the effective yield for the investment. Round to the nearest hundredth of a percent. ? 10%, compounded semiannually ? __________%
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If h represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?
A. h = 1 + 
B. h = 1 - 
C. h = 
D. h = 
Find the equilibrium vector for the transition matrix.
Round the numbers in your answer to the nearest thousandth.
A. 
B. 
C. 
D. 
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for x = 10? Round your answer to the nearest hundredth, if necessary.
A. $11,025.00 B. $478.72 C. $11,250.00 D. $50.00