Use the given information to find the exact value of the trigonometric expression.sin ? = 
; The terminal side of ? lies in Quadrant I.
Find cos 2?.
A. - 
B. 
C. 
D. 
Answer: D
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Find the indicated measure of central tendency.The speeds (in mph) of the cars passing a certain checkpoint are measured by radar. The results are shown below. Find the midrange.44.2?41.0?43.0?40.9?43.040.4?44.7?41.5?44.2?42.844.0?41.5?40.9?44.0?41.0
A. 42.8 B. 4.30 C. 42.30 D. 42.55
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(4x + 3)2 = 7
A. 
B. 
C. 
D. 
Solve the problem. Round to two decimal places if needed.Find the area of the sector of a circle of radius 27.2 centimeters formed by a central angle of 
radians.
A. 464.86 square centimeters B. 73.98 square centimeters C. 8.55 square centimeters D. 232.43 square centimeters
Fill in the blank with one of the words or phrases listed below.
A polynomial with exactly 1 term is called a 
.
A. binomial B. trinomial C. monomial D. term