Find an equation for the graph.
A. y = 4 sin 
B. y = 2 sin (4x)
C. y = 4 sin (2x)
D. y = 2 sin 
Answer: C
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Solve the problem.If the list price is $155.67 and the discount price is $99.74, how much is saved by buying at discount?
A. $56.93 B. $55.93 C. $65.93 D. $66.93
Simplify the given expression.46
A. 4096 B. 46 C. 5 D. 24
Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.The quotient of a number and 37
A. 37 + x
B. 
C. 37 - x
D. 37x
Write a system of equations to describe the problem situation. It is not necessary to solve the problem. Martina has 58 nickels and dimes. She has $3.10 altogether. She has x nickels and y dimes.
A) y = 58 - x, 0.05x + 0.10y = 3.10 B) x + y = 58, 0.05y + 0.10x = 3.10 C) x + y = 58, 0.25y + 0.10y = 3.10 D) x - y = 58, 0.05x + 0.10y = 3.10 E) x – y = 58, 0.05y + 0.25x = 3.10