Find the product.(-3x + 7)(-4x - 12)
A. 12x2 + 8x - 84
B. 12x2 + 8x + 8
C. -7x2 + 8x - 84
D. -7x2 + 8x + 8
Answer: A
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Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 
If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 12 mph Hike: 2 mph B. Bike: 14.5 mph Hike: 4.5 mph C. Bike: 13 mph Hike: 3 mph D. Bike: 11.5 mph Hike: 1.5 mph
Find the total differential of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A constant force F = 
moves an object along a vector D = 
, where units are in pounds and feet. Find the work done.
A. 222 foot-pounds B. 98 foot-pounds C. -98 foot-pounds D. 355.8 foot-pounds
Find the slope and y-intercept of the line.-6x + 5y = 2
A. slope = 6; y-intercept = 12
B. slope = 
; y-intercept = - 
C. slope = 
; y-intercept = 
D. slope = 
; y-intercept = 