Factor completely. Make sure you factor out the GCF first if possible. If prime, so state.72x2 - 32
A. 8(3x - 2)(3x + 2)
B. (3x - 2)(24x + 16)
C. 8(3x + 2)2
D. (24x - 16)(3x + 2)
Answer: A
Mathematics
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Use the factoring method to identify the LCD for the pair of fractions.
, 
A. 9 B. 28 C. 171 D. 19
Mathematics
Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 
A. 
(a - b)
B. 
(a2 + b)
C. 
(a + b)
D. 
(2a + b)
Mathematics
Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution.-5x - 8z = -93-8x + 2y + 3z = -40-5x - 5y = -80
A. {(9, -7, -6)} B. {(7, 6, 7)} C. ({10, 5, 6)} D. {(9, 7, 6)}
Mathematics
Solve the problem.Give fraction notation for the amount of gas (a) in the tank and (b) used from a full tank. 
A. (a) 
; (b) 
B. (a) 
; (b) 
C. (a) 
; (b) 
D. (a) 
; (b) 
Mathematics