Find the product.

A. - 
B. - 
C.
D.


Answer: D

Mathematics

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Granville and Preston are 528 miles apart. A car leaves Preston bound for Granville at 43 mph. At the same time, another car leaves Granville bound for Preston at 45 mph. How long will it take them to meet? 

A. 7 hr B. 6 hr C. 9 hr D. 5 hr E. 4 hr

Mathematics

Write the rational expression in simplest form. ? ?

A.
B. ?
C. ?
D. ?
E. ?

Mathematics

Solve the initial value problem.v'(t) +  = 6, v(-1) = 0

A. v = -18e-t/3 - 1/3 + e1/3 B. v = -18(e-t/3 - 1/3 - 1) C. v = 2e-t/3 - 1/3 + 2 D. v = -18(et/3 + 1/3 + 18)

Mathematics

Solve the problem.If friction is ignored, the time t (in seconds) required for a block to slide down an inclined plane is given by the formula t = where a is the length (in feet) of the base and g ? 32 feet per second per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with base a = 12 when  If necessary, round the answer to the nearest tenth of a second.

A. 0.3 sec B. 1.5 sec C. 1.3 sec D. 1.2 sec

Mathematics