Simplify using order of operations.-5
+ [(2)(-4) - (-11)]3
A. 53
B. 867
C. -813
D. -973
Answer: B
Mathematics
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Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 4x
D. 
Mathematics
Find the indefinite integral.
?
?
Hint: Integrate by parts twice.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Use a formula to solve the problem.The area of a trapezoid is 72 square feet. If the bases are 5 and 13 feet, find the altitude of the trapezoid.
A. 4 ft B. 8 ft C. 16 ft D. 1.5 ft
Mathematics
Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 184 feet and a maximum height of 25 feet. Find the height of the arch at 15 feet from its center.
A. 2.7 ft B. 33.1 ft C. 0.2 ft D. 24.3 ft
Mathematics