Use an equation to solve the percent problem.10% of what number is 71?
A. 710
B. 71
C. 7.1
D. 7100
Answer: A
Mathematics
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Solve.An airplane is flying west at an altitude of 31,424 feet. Another plane is flying northeast at an altitude of 28,510 feet. How much above the 
plane is the 
plane when their paths cross?
A. 2914 feet B. 2884 feet C. 2844 feet D. 3114 feet
Mathematics
Round the following to the nearest ten, nearest hundred, and nearest thousand.70,255
A.
| Ten | 70,250 |
| Hundred | 70,300 |
| Thousand | 70,270 |
B.
| Ten | 70,260 |
| Hundred | 70,300 |
| Thousand | 70,000 |
C.
| Ten | 70,260 |
| Hundred | 70,250 |
| Thousand | 71,000 |
D.
| Ten | 70,250 |
| Hundred | 70,200 |
| Thousand | 71,000 |
Mathematics
Find the equation of the axis of symmetry of the parabola.f(x) = (x + 9)2 - 2
A. y = 2 B. x = 2 C. x = -9 D. x = 9
Mathematics
Let A = 
and B = 
(a) Compute .png)
(b) Compute .png)
(c) Compute .png)
(d) Compute .png)
(e) Compute .png)
Mathematics