Find the exact circular function value.cos 
A. - 
B. undefined
C. - 
D. 
Answer: A
Mathematics
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Use the Pythagorean theorem to find the missing side of the right triangle with legs a and b, and hypotenuse c. Approximate values to the nearest tenth when appropriate.a = 11 in., b = 16 in.
A. 19.4 in. B. 377 in. C. 13.5 in. D. 188.5 in.
Mathematics
Perform the indicated operation.(4x2 - 4x + 2)(x2 + 5x + 2)
A. 4x4 + 16x3 - 12x2 + 2x + 4 B. 4x4 + 20x3 - 12x2 + 2x + 4 C. 4x4 + 20x3 - 10x2 + 2x + 4 D. 4x4 + 16x3 - 10x2 + 2x + 4
Mathematics
Translate into an equation, then solve.Bill paid $2.50 for a phone call lasting 19 minutes. Find the price per minute. Round to the nearest cent.
A. 19x = $2.50; $0.07
B. 
= $2.50; $0.13
C. 19x = $2.50; $0.13
D. 
= $2.50; $47.50
Mathematics
Estimate the fraction as 0, 
, or 1.
A. 
B. 1
C. 0
Mathematics