Evaluate the expression.cos 
A. 
B. 
C. 
D. 
Answer: A
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Rita jogs for 8 miles and then walks an additional 11 miles. She jogs at a rate twice her walking rate and she covers the entire distance of 19 miles in 3 hours. Find the rate she jogs and the rate she walks.
A. 10 miles per hour jogging and 5 miles per hour walking B. 6 miles per hour jogging and 3 miles per hour walking C. 6 miles per hour jogging and 7 miles per hour walking D. 20 miles per hour jogging and 10 miles per hour walking E. 14 miles per hour jogging and 7 miles per hour walking
Identify the equation as either an identity or not.cos2x + cos2y = cos (x + y) cos (x - y)
A. Not an identity B. Identity
Evaluate the expression.(-33)
A. -27 B. 27
Find the missing factor or exponent(s).
= x4y6
A. 6, 19 B. 10, 6 C. 6, 25 D. 19, 10