Solve by elimination and check. x - 7y = -563x - 7y = -42
A. (7, 9)
B. (-9, 7)
C. (8, 8)
D. No solution
Answer: A
Mathematics
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Solve the problem.Sally and Bill work at different jobs. Sally earns $60 per hour and Bill earns $40 per hour. They each earn the same amount per week but Bill works 3 more hours. How many hours a week does Bill work?
A. 6 B. 15 C. 12 D. 9
Mathematics
Use the order of operations to simplify the expression.0 ÷ 4 + 6 ? 7
A. Undefined B. 70 C. 46 D. 42
Mathematics
Write the number using digits.ten million, three hundred fifty-four thousand, two hundred three
A. 10,354,203 B. 135,423 C. 1,354,203 D. 1,354,230
Mathematics
Simplify.
A. 81
B. 
C. 9
D. 18
Mathematics