Simplify the sum.(3x - 5y) + (-x + y)
A. 2x - 6y
B. 4x - 4y
C. 2x - 4y
D. 4x - 6y
Answer: C
Mathematics
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Solve the equation. Don't forget to first simplify each side of the equation, if possible.2(5x - 5) = 11x
A. 10 B. -5 C. 5 D. -10
Mathematics
Solve the equation.
- 4 = 1
A. 15 B. 20 C. -15 D. -20
Mathematics
Solve.
= 
A. x = -3
B. x = 
C. x = 3
D. no solution
Mathematics
For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest hundredth.The restaurant bill is $63.41. Give the estimate of a 15% tip and the exact amount of a 15% tip.
A.
| Estimate: $12.00 | Exact: $12.68 |
B.
| Estimate: $15.00 | Exact: $15.85 |
C.
| Estimate: $6.00 | Exact: $6.34 |
D.
| Estimate: $9.00 | Exact: $9.51 |
Mathematics