Solve the systems of equations by the addition method. 
A. {(0, -1)}
B. {(0, 0)}
C. no solution; ?
D. {(3, -4)}
Answer: C
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Solve each equation for y as an expression in x. Then equate the expressions to obtain an equation in the variable x. Finally, solve the equation for the unknown x.y - 6x = 14; y - 5x = 2
A. {12} B. {-16} C. {-12} D. {16}
Find the grade point average for the following student. Assume A = 4, B = 3, C = 2, D = 1, and F = 0. Round answer to the nearest tenth.
A. 2.4 B. 3.8 C. 1.4 D. 10.0
A new car dealership has taken an inventory of the vehicles it has in stock. Below is a histogram indicating the number of vehicles in stock in certain price ranges. Use the histogram to answer the question.
How many vehicles does the dealership have in stock that are priced at less than $21,000?
A. 3 vehicles B. 15 vehicles C. 4 vehicles D. 20 vehicles
Find the slope-intercept form of the equation of the line with the given properties.Slope = 0; containing the point (-2, 9)
A. x = 9 B. x = -2 C. y = -2 D. y = 9