Provide an appropriate response.Add 
+ 
and reduce answers to lowest terms with improper fractions changed to whole or mixed numbers.
A. 
B. 
C. 
D. 
Answer: B
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Find the indicated intersection or union.{4, 8, 12, 16} ? {3, 6, 9}
A. {3, 4, 6, 8, 9, 12, 16} B. {4, 8, 12, 16} C. {0} D. ?
Round the following to the nearest ten, nearest hundred, and nearest thousand.1168
A.
| Ten | 1,170 |
| Hundred | 1,100 |
| Thousand | 1,000 |
B.
| Ten | 1,160 |
| Hundred | 1,200 |
| Thousand | 1,000 |
C.
| Ten | 1,160 |
| Hundred | 1,100 |
| Thousand | 2,000 |
D.
| Ten | 1,170 |
| Hundred | 1,200 |
| Thousand | 1,000 |
Solve the problem.In 1995 the United States recovered 27% of its municipal wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits this data. Use this function to predict the percentage recycled in 2001.
A. 40.7% B. 39% C. 35.4% D. 37.1%
Solve the problem.An airplane is sighted at the same time by two ground observers who are 5 miles apart and both directly west of the airplane. They report the angles of elevation as 12° and 
How high is the airplane?
A. 2.11 mi B. 1.04 mi C. 1.95 mi D. 3.97 mi