Simplify.8 + 4 ÷ 2 ? 3 - 7
A. 7
B. 11
C. 21
D. 29
Answer: A
Mathematics
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Find the least common multiple (LCM) of the pair of numbers.20 and 18
A. 360 B. 180 C. 720 D. 2
Mathematics
Solve. If necessary, round answers to the nearest hundredth.The following test scores were recorded for a student: 84, 53, 73, 53, 54. Find the mean, median, and mode.
A.
| mean: 66 | median: 73 | mode: 84 |
B.
| mean: 63.4 | median: 54 | mode: 84 |
C.
| mean: 79.3 | median: 63.5 | mode: 53 |
D.
| mean: 63.4 | median: 54 | mode: 53 |
Mathematics
Solve the problem.Let f(x) compute the time in hours to travel x miles at 34 miles per hour. What is the interpretation of 
A. The hours taken to travel 34 miles B. The hours taken to travel 10 miles C. The miles traveled in 34 hours D. The miles traveled in 10 hours
Mathematics
Give the reciprocal of the number. -6
A. 
B. - 
C. 1
D. -6
Mathematics