Solve the proportion two different ways. First in decimal form, then in fraction form. Write your answer in lowest terms.
= 
A. x = 4.8 or x = 4
B. x = 1.2 or x = 1
C. x = 0.006 or x = 
D. x = 0.003 or x = 
Answer: D
Mathematics
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Let 
. If y is decreased by 17%, how is x affected? Express your answer in terms of a percent. Round your answer to two decimal places if necessary.
?
A. x is decreased by 5.8% B. x is increased by 5.8% C. x is decreased by 5.16% D. x is increased by 5.16%
Mathematics
x? = ?x ? 5y, y? = x + 3y
Solve the first-order linear system.
Mathematics
Factor the trinomial, or state that the trinomial is prime.x2 + 3x - 54
A. (x - 9)(x + 1) B. (x + 9)(x - 6) C. (x - 9)(x - 6) D. prime
Mathematics
Graph the function.y = 4 sin(x - ?) + 4
A. 
B. 
C. 
D. 
Mathematics