Solve the problem. If necessary, round to the nearest tenth.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 = 10 when 
A. 1.1 sec
B. 1.2 sec
C. 0.9 sec
D. 0.3 sec
Answer: A
Mathematics
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Factor out the GCF.6s7t2 + 2s5t3
A. 2s5t2(3s2 + t) B. 2s2t(3s + t) C. 2s7t3(3s2 + t) D. s5t2(6s + 2t)
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Solve the problem.What is the coefficient of x7y6 in the expansion of (x + y)13?
A. 8,648,640 B. 1,235,520 C. 7 D. 1716
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Evaluate.If f(x) = x - 5 and g(x) = x - 1, evaluate (f + g)(2).
A. 0 B. 10 C. -2 D. 8
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Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 2x + 1
A. vertex (1, 0)
intercepts (0, 1), (1, 0)
B. vertex (-1, 1)
intercept (0, 2)
C. vertex (1, 1)
intercept (0, 2)
D. vertex (-1, 0)
intercepts (0, 1), (-1, 0)
Mathematics