Factor completely.12x2 - 52x - 40
A. (12x + 8)(x - 5)
B. Prime
C. 4(3x - 2)(x + 5)
D. 4(3x + 2)(x - 5)
Answer: D
Mathematics
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Provide an appropriate response.If 
= 4, find 
.
A. 16 B. 2 C. 8 D. 4
Mathematics
Solve.Mark the electrician charges $80 for a house call, and then $35 per hour for labor. Sara the electrician charges $65 for a house call, and then $45 per hour for labor. Graph the system to find the number of hours of electrical work that would be required for the two electricians to charge the same amount.
A. 1.5 hrs B. 2 hrs C. 1 hrs D. 0.5 hrs
Mathematics
Solve the equation on the interval [0, 2?).cos 2x = 
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 0, 
, ?, 
D. no solution
Mathematics
Multiply.(x + 7)(x - 7)
A. x2 - 14 B. x2 - 14x - 49 C. x2 - 49 D. x2 + 14x - 49
Mathematics