Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 1
D. 
Answer: A
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Find 
.y = sec-1(4x + 7)
A. 
B. 
C. 
D. 
Solve the problem.There are 5 people in a club -- Cal, Elissa, Stephanie, Ken, and Pat. In how many ways can a President and a Treasurer be chosen for the club? (No person can hold both positions.)
A. 20 B. 24 C. 12 D. 10
Solve the problem.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 24 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 7
min
assistant: 29 min
B. baker: 120 min
assistant: 30 min
C. baker: 30 min
assistant: 120 min
D. baker: 120 min
assistant: 480 min
Round the following to the nearest ten, nearest hundred, and nearest thousand.72,269
A.
| Ten | 72,260 |
| Hundred | 72,300 |
| Thousand | 72,280 |
B.
| Ten | 72,270 |
| Hundred | 72,260 |
| Thousand | 73,000 |
C.
| Ten | 72,270 |
| Hundred | 72,300 |
| Thousand | 72,000 |
D.
| Ten | 72,260 |
| Hundred | 72,200 |
| Thousand | 73,000 |