Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the least common multiple.20, 50
A. 100 B. 1,000 C. 50 D. 70
Mathematics
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 3 + 3 cos tFind the body's acceleration at time t = ?/3 sec.
A. - 
m/sec2
B. - 
m/sec2
C. 
m/sec2
D. 
m/sec2
Mathematics
Solve the problem.Mary bought 4 yards of material at a cost of $18 per yard. How much did she pay?
A. $5 B. $22 C. $72 D. $14
Mathematics
Simplify the factorial expression.
A. 
B. 
C. 
D. 
Mathematics