Factor by grouping.20x2 - 16xy - 15x + 12y
A. (4x - 3)(5x - 4y)
B. (20x + 3)(y + 4)
C. (4x + 3y)(5x + 4)
D. (20x - 3)(xy - 4)
Answer: A
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Solve the problem.While traveling at a constant speed in a car, the centripetal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 27 feet per second per second when the radius of the turn is 80 feet, find the acceleration the passengers feel when the radius of the turn is 240 feet.
A. 5 ft/sec2 B. 4 ft/sec2 C. 6 ft/sec2 D. 3 ft/sec2
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.12x2 + 11x + 2
A. (4x + 2)(3x + 1) B. (3x + 2)(4x + 1) C. (3x - 2)(4x - 1) D. (x + 2)(12x + 1)
Solve the equation for ? if 
. Do not use a calculator.
?
?
A. 120°; 300° B. 30°; 210° C. 60°; 240° D. 150°; 240° E. 45°; 225
Solve the problem.A block is attached to a spring and set into motion. For this block and spring, the location on the surface at any 
is given in meters by 
Find the maximum distance reached by the block from the resting position.
A. 12 m
B. 2
m
C. 
m
D. 6 m