Using the given coordinate, find the other coordinate that makes the ordered pair a solution of the equation.5x - 9y = -7, (4, 
)
A. -27
B. 27
C. 3
D. -3
Answer: C
Mathematics
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Solve the problem.When Chris sends a customer's order to the company, she must send the total amount of sales minus her 29% commission. How much money should accompany a total order of $57?
A. $40.47 B. $73.53 C. $16.53 D. $28.00
Mathematics
Use the given graph of a rational function r(x) to solve the problem.Find r(-2). 
A. 0 B. -1 C. 1 D. 3
Mathematics
Multiply.(-7x7)(-9x8)
A. 63x56 B. -63x56 C. -63x15 D. 63x15
Mathematics
The graphing calculator screen shows the graphs of the two given functions, and the display gives the coordinates of one of the solutions. Find the other solution.
y = x2 + 2x - y = -4
A. (2, -6) B. (1, 3) C. (-1, 3) D. (1, -3)
Mathematics