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 = 9 when 
If necessary, round the answer to the nearest tenth of a second.
A. 1.4 sec
B. 0.3 sec
C. 1.9 sec
D. 1.1 sec
Answer: D
Mathematics
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Find n(A) for the set.A = 
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Graph the function defined by a radical expression.f(x) = - 
A. 
B. 
C. 
D. 
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There were many names mentioned in this section. Give a brief description for the person named in problem, telling how they were related to the development of computers. ? Douglas Engelbart ?
A. 1st working computer, ENIAC B. founder of Microsoft C. invented computer mouse D. cofounder of Apple E. founder of I.B.M computers
Mathematics
Provide an appropriate response.Is the following matrix game strictly determined? Answer Yes or No. 
A. Yes B. No
Mathematics