The grade of a highway up a hill is 25%. How much change in horizontal distance is there if the vertical height of the hill is 150 feet? Express the answer to the nearest foot.
A. 619 ft
B. 600 ft
C. 500 ft
D. 610 ft
E. 575 ft
Answer: B
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A. No B. Yes
Solve the problem.Find the normal to the curve x2 + y2 = 2x + 2y that is parallel to the line 
A. y = x + 2 B. y = -x + 2 C. y = x - 2 D. y = -x - 2
Use synthetic division to decide whether the given number k is a zero of the given polynomial function.k = 3; f(x) = -7x3 + x2 - 2x + 8
A. Yes B. No
Solve the problem.Four boys and three girls are seated, in a row, at random, to watch a play. What is the probability thata) a girl is seated at each end of the row?b) one of the boys is seated in the middle seat?c) boys and girls are seated alternately?
A. a) 
b) 
c) 
B. a) 
b) 
c) 
C. a) 
b) 
c) 
D. a) 
b) 
c) 