Perform the indicated operation. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 25
B. 100
C. 50
D. 
Mathematics
Solve. Use ? ? 3.14 when necessary.A flagpole 9 feet tall casts a shadow that is 12 feet long. Find the length of the shadow cast by an antenna which is 42 feet tall. Round to the nearest tenth if necessary.
A. 45 feet B. 56 feet C. 31.5 feet D. 2.6 feet
Mathematics
Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 7 miles per hour and Fred rides 5 miles per hour. In how many hours will they be 60 miles apart?
A. 6 hours B. 5 hours C. 4 hours D. Not enough information
Mathematics
Simplify the expression by using the order of operations.(3 + 5)[8 + (7 + 7)]
A. 330 B. 120 C. 855 D. 176
Mathematics