Simplify the expression. (Assume that r, s, and t are positive.)
?
?
A. 
B. 
C. 
D. ?
E. ?
Answer: D
Mathematics
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Solve the equation by factoring.4x2 + 13x = 12
A. 
B. 
C. 
D. 
Mathematics
Multiply. Write the product in lowest terms.
of 70
A. 84
B. 30
C. 
D. 1
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Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Mathematics
Find the equation of the transverse axis of the hyperbola.y2 - 
= 1
A. y = 3x
B. y = 0 (x-axis)
C. y = 
x
D. x = 0 (y-axis)
Mathematics