Write an inequality that satisfies the description.Outside the ellipse with x-intercepts ±5 and y-intercepts ±1.
A. 
+ 
< 1
B. 
+ 
> 1
C. 
- 
< 1
D. 
+ 
> 1
Answer: D
Mathematics
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Perform the indicated operation. Write the answer in scientific notation.(16.92 × 102) ÷ (3.6 × 10-5)
A. 9.4 × 10-3 B. 9.4 × 107 C. 4.7 × 107 D. 4.7 × 10-3
Mathematics
Solve the problem.An airplane is sighted at the same time by two ground observers who are 3 miles apart and both directly west of the airplane. They report the angles of elevation as 15° and 
How high is the airplane? Round to the nearest hundredth of a mile.
A. 1.17 mi B. 2.18 mi C. 3.29 mi D. 0.78 mi
Mathematics
Write the imaginary number using i.
A. 2
B. -2i
C. 2i
D. -2
Mathematics
Identify the percent p, base b, and amount a. Do not solve for the unknown.What is 44% of 207?
A. 44; b; 207 B. 44; 207; a C. p; 207; 44 D. 207; b; 44
Mathematics