Solve the problem.Last year, Maria earned $323 per week. This year, her salary increased to $356 per week. By what percent did her salary increase?
A.
| 89.8% |
B. 10.2%
C.
| 9.3% |
D.
| 90.7% |
Answer: B
Mathematics
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A. 70 calculators B. 2600 calculators C. 700 calculators D. 7 calculators
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A. Yes B. No
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Find the directrices of the ellipse.16x2 + 4y2 = 64
A. y = ± 
B. x = ± 
C. x = ± 
D. y = ± 
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A jet heads in the direction N 30° E at a speed of 400 mi/h. If the jet experiences a 20 mi/h crosswind flowing due east, find the true velocity w .
 figure 1.png)
Mathematics