Find the quotient and the remainder.5x3 - 7x2 + 7x - 8 divided by 5x - 2
A. x2 - x + 1; remainder -6
B. x2 + x -1; remainder -6
C. x2 - x + 1; remainder 6
D. x2 - x + 1; remainder 10
Answer: A
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Simplify.
A. -6.2z
B. 6.2z
C. 6.2
D. -6.2
Write a proportion that models the situation described. Then, solve the proportion for x.If 3.5 ounces of oil are to be added to 17.5 gallons of gasoline, then x ounces of oil should be added to 39.5 gallons of gasoline.
A. 
= 
; x = 7.9 ounces
B. 
= 
; x = 7.8 ounces
C. 
= 
; x = 197.5 ounces
D. 
= 
; x = 8.1 ounces
Represent the vector in the form v = ai + bj whose magnitude and direction angle are given.
= 10; ? = 120°
A. v = 5
i - 5j
B. v = -5i + 5
j
C. v = -5
i + 5
j
D. v = 5i - 5
j
Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 11 miles per hour. In how many hours will they be 84 miles apart?
A. 4 hr B. 1 hr C. 6 hr D. 5 hr