Find the exact value of the expression if ? = 45°. Do not use a calculator.f(?) = sin ?Find 5f(?).
A. 
B. - 
C. - 
D. 
Answer: A
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Solve the problem.Midtown Antiques collects 2% sales tax on all sales. If total sales including tax are $1551.17, find the portion that is the tax amount.
A. $31.02 B. $20.42 C. $30.42 D. $1520.75
Find the first five terms of the recursively defined sequence.a1 = 7, an+1 = 
A. 7, - 
, - 
, 
, 
B. 7, - 
, 
, - 
, 
C. 7, - 
, -7, 
, 7
D. 7, - 
, 7, - 
, 7
Solve the problem.A circle has a radius of 12 centimeters. Find the area of the sector of the circle formed by an angle of 
If necessary, round the answer to two decimal places.
A. 0.52 cm2 B. 2 cm2 C. 12.57 cm2 D. 6.28 cm2
Solve.The nutrition chart on a bag of flavored potato chips says that each serving contains 0.37 grams of cholesterol. The chart also says that there are 3 servings in the bag. How many grams of cholesterol are in the entire bag of potato chips?
A. 1.11 g B. 1.05 g C. 0.91 g D. 0.67 g