Find the exact value of the expression.cos 
A. 
B. 
C. 
D. 
Answer: A
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Answer the question.Graph the rectangle with vertices (1, 6), (4, 9), (6, 1), and ( 9, 4). Are the midpoints of the sides of the rectangle the vertices of a rectangle?
A. Yes B. No
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7500 in 2007 and $56,500 in 2012. Let x = 0 represent 2007. Find the equation giving yearly sales y.
A. S(x) = 9800x + 56,500 B. S(x) = 49,000x + 7500 C. S(x) = 49,000x + 56,500 D. S(x) = 9800x + 7500
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(
)3(m-1/6t1/5)-1
A. 
B. 
C. 
D. 
Find the probability.What is the probability that a card drawn from a deck of 52 cards is not red?
A. 2
B. 
C. 
D. 