Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.12z2 + 7z - 12
A. (3z - 4)(4z + 3)
B. (12z + 4)(z - 3)
C. prime
D. (3z + 4)(4z - 3)
Answer: D
Mathematics
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Solve the problem.The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 107 yards with a 7-iron, how far should he average with a 5-iron? (Round approximations to the nearest yard.)
A. 118 yd B. 96 yd C. 128 yd D. 89 yd
Mathematics
Give an appropriate answer.Let
f(x) = -3 and
g(x) = 6. Find
.
A. -5
B. - 
C. -9
D. - 2
Mathematics
Find the LCD. Do not combine fractions.
, 
A. x(x + 1)(x + 6) B. x(x + 6)2 C. x(x + 6) D. (x + 6)2
Mathematics
Solve by the substitution method.-7x - 3 = -5y2x + 2y = 6
A. {(1, 2)} B. ? C. {(0, 3)} D. {(x, y)|-7x - 3 = -5y}
Mathematics