Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 
A. 
B. 
C. 
D. 
Answer: C
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Find an equation of the line containing the given pair of points. Write your final answer as a linear function in slope-intercept form.(1, 5) and (10, 5)
A. f(x) = - 
x
B. f(x) = - 10x
C. f(x) = 1
D. f(x) = 5
Solve the problem.From a boat on the lake, the angle of elevation to the top of a cliff is 35°44'. If the base of the cliff is 2,260 feet from the boat, how high is the cliff (to the nearest foot)?
A. 1,629 ft B. 1,639 ft C. 1,636 ft D. 1,626 ft
Solve the problem. Use a FICA rate of 6.2%, a Medicare rate of 1.45%, and an SDI rate of 1%. Assume the person's earnings will not exceed $31,800 for the year. Round to the nearest cent if needed.Todd Bennett worked 41.5 hours last week at Eck Builders, a construction company. He is paid $11.27 per hour, plus time-and-a-half for overtime. Find his Social Security tax and Medicare tax for the week.
A. $29.52, $6.90 B. $27.95, $6.54 C. $43.50, $10.17 D. $29.00, $6.78
Use a proportion to solve the problem. Round to the nearest tenth as needed.A triangle drawn on a map has sides of lengths 8 cm, 10 cm, and 15 cm. The shortest of the corresponding real-life distances is 136 km. Find the longest of the real-life distances.
A. 170.0 km B. 255.0 km C. 160.0 km D. 265.0 km