Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 165°
A. 
B. 
C. - 
D. - 
Answer: B
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Which of the following statements concerning the degree of total leverage (DTL) is correct?
A. DTL is the percentage change in earnings per share (EPS) that results from a given percentage change in earnings before interest and taxes (EBIT). B. It is the level of earnings before interest and taxes (EBIT) at which earnings per share (EPS) equals zero. C. DTL is the percentage change in net operating income (NOI) (earnings before interest and taxes) associated with a given percentage change in sales. D. DTL represents the level of production and sales at which net operating income is zero. E. DTL is the percentage change in earnings per share (EPS) that results from a 1 percent change in sales.
Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will decrease according to the formula B(x) = 0.61x. How much will today's dollar be worth in 7 years? Round the answer to the nearest cent.
A. $0.71 B. $3.28 C. $4.27 D. $0.03
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 × 105 miles/second. (Round to one decimal place, and assume that there are 365 days in a year.)
A. 5.9 × 107 mi B. 5.9 × 1014 mi C. 5.9 × 1012 mi D. 5.9 × 105 mi
Solve the problem.Three student representatives are to be chosen from a group of five students: Andrew, Brenda, Chad, Dorothy, and Eric. In how many different ways can the representatives be chosen if two must be male and one female?
A. 6 B. 12 C. 4 D. 2