?Solve the system of linear equations.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Solve the problem.Sketch a smooth curve through the origin with the following properties: f '(x) > 0 for 
for 
f "(x) approaches 0 as x approaches -?; and f "(x) approaches 0 as x approaches ?.
What will be an ideal response?
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 $47.53. Give the estimate of a 20% tip and the exact amount of a 20% tip.
A.
| Estimate: $5.00 | Exact: $4.75 |
B.
| Estimate: $2.50 | Exact: $2.38 |
C.
| Estimate: $7.50 | Exact: $7.13 |
D.
| Estimate: $10.00 | Exact: $9.51 |
Mathematics
Find a and d for 
such that the graph of f matches the figure.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify.-9 + 4 - (-13) - 9 + 7
A. -24 B. -2 C. 6 D. 24
Mathematics