Perform the indicated operation and, if possible, simplify.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the GCF.12, 20, 28
A. 1 B. 8 C. 12 D. 4
Mathematics
Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.Find the cost to asphalt a circular racetrack if asphalt costs $90 per 100 ft2. (Use 3.14 for ?. Round to the nearest dollar.) r = 85 ft R = 140 ft
A. $34,195 B. $55,390 C. $34,972 D. $20,418
Mathematics
We are given a measurement of 
V. The tolerance is 
V.Find the upper limit, the lower limit, and the tolerance interval for the measurement.
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the value of csc ? if tan ? = 
and cos ? < 0.
Mathematics