Solve the problem.Jill is 13.5 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2.5 kilometers per hour. They meet in 3 hours. How fast is Joe walking?
A. 3 km/hr
B. 2 km/hr
C. 4 km/hr
D. 2.5 km/hr
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Solve.Find the volume of a tent having the shape of a rectangular solid of length 14 ft, width 10 ft, and height 7 ft topped by a rectangular pyramid of the same width and length with height 5 ft. (Round to the nearest hundredth unit.)
A. 466.6 ft3 B. 1213.3 ft3 C. 233.3 ft3 D. 1960.0 ft3
Mathematics
Find the axis of symmetry of the given function.f(x) = 3x2 - 12x + 15
A. x = 2 B. x = -3 C. x = -2 D. x = 3
Mathematics
Solve using the addition principle.-12 = 27 + f
A. 39 B. -15 C. -39 D. 15
Mathematics