Solve by substitution:
5x – 5y = -5
4x + 2y = 20
A) (13, 14)
B) (8, 9)
C) (3, 4)
D) Dependent
E) No solution
C) (3, 4)
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Solve the problem.Determine whether the ordered triple (-3, -1, 4) is a solution of the system of equations.2x - 2y - 3z = -164x - 3y + 3z = 3 x + y - 5z = -24
A. Yes B. No
For the given amounts A and B, find the requested percent of change. Round to the nearest whole percent if necessary.A = $500, B = $575
Find the percent change if A changes to B.
A. 13% B. 85% C. 87% D. 15%
A boy is standing on a flat field and tosses his ball toward a second boy standing at the other end of the field. The path of the ball is a parabola, and the equation of the path is 
Based on this information, answer the question.What is the highest the ball will be above the flat field and for what value of x?
A. Highest height = 4 when x = 1 B. Highest height = 4 when x = 2 C. Cannot determine without additional information D. None of the above
Use the graph to determine the domain and range of the function. 
A. domain: {x|x ? -2, x ? 2} range: {y|y ? 0} B. domain: {x|x ? -2, x ? 2} range: all real numbers C. domain: all real numbers range: {y|y ? -2, y ? 2} D. domain: all real numbers range: all real numbers