Solve the system of equations by the addition method.
A. (0, 0)
B. (0, -14)
C. (-6, -8)
D. no solution
Answer: D
Mathematics
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Determine the slope and the x- and y-intercepts of the line.- 
x - 4 = y
A. Slope is 
y-intercept is (0, 4)
x-intercept is (-8, 0)
B. Slope is - 
y-intercept is (0, -4)
x-intercept is (-8, 0)
C. Slope is 
y-intercept is (0, 4)
x-intercept is (8, 0)
D. Slope is - 
y-intercept is (0, -4)
x-intercept is (8, 0)
Mathematics
Solve the problem.The Wellspring Company's fleet of trucks get 18, 13, 20, 13, 20, 9, and 22 miles/gallon. What is the mean miles/gallon for the fleet? Round to the nearest whole number.
A. 15 miles/gallon B. 17 miles/gallon C. 19 miles/gallon D. 16 miles/gallon
Mathematics
Simplify.63
A. 216 B. 9 C. 4 D. 18
Mathematics
Name the conic.
A. parabola B. ellipse C. hyperbola D. circle
Mathematics