Solve the system of equations by the substitution method.
A. (7, 1)
B. (1, 7)
C. infinite number of solutions
D. no solution
Answer: B
Mathematics
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Solve the problem.By switching service providers, a family's telephone bill decreased from about $50 a month to about $46. What was the percent of decrease? Round to the nearest tenth if necessary.
A. 9%
B. 8%
C.
| 4% |
D. 8.7%
Mathematics
Graph the inequality.x + y < -5
A. 
B. 
C. 
D. 
Mathematics
Multiply by powers of 10.0.1357 × 1000
A. 0.1357000 B. 1000.1357 C. 135.7 D. 13.57
Mathematics
Plot the given point in a rectangular coordinate system.(6, 2)
A. 
B. 
C. 
D. 
Mathematics