Solve the problem.Find equations of all tangents to the curve f(x) = 
that have slope -1.
A. y = -x - 23, y = -x - 27
B. y = -x + 27
C. y = -x + 27, y = -x - 23
D. y = -x - 23
Answer: A
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Round the number so that there is only one nonzero digit.1218
A. 2000 B. 1000 C. 1200 D. 1220
Solve the problem.Pete is driving across country from Boston to Seattle. He keeps a record of the distance that he drives each day. How much further did he drive on Monday than on Friday? 
A. 407 mi B. 153 mi C. 96 mi D. 718 mi
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
Determine whether the ordered pair given is a solution of the linear inequality in two variables.2x + 3y ? -6; (6, 6)
A. Yes B. No