Solve by making a u-substitution.x - 13x1/2 + 42 = 0
A. {6, 7}
B. {-36, 49}
C. {36, 49}
D. {-6, 7}
Answer: C
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Fill in the blank with one of the words or phrases listed below.
fractions represent the same portion of a whole.
A. Mixed number B. Equivalent C. Like D. Least common denominator
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for 
A. $25.00 B. $481.65 C. $12,600.00 D. $13,125.00
Solve the problem.A hockey team in one game scored on 25% of the total number of shots on its opponent's goalie. If the team scored a total of 4 goals, then how many shots did they direct at the opponent's goalie?
A. 24 B. 16 C. 8 D. 32
Determine the slope and y-intercept for the equation.20x + 3y = 8
A. slope: m = 
; y-intercept: b = 
B. slope: m = - 
; y-intercept = 
C. slope: m = 
; y-intercept: b = - 
D. slope: m = 20; y-intercept = 8