Solve the problem.Ignoring friction, the time , t (in seconds), required for a block to slide down an inclined plane is given by the formula 
where b is the length of the base in feet and 
per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with a base of 12 feet at an angle of 
Round your answer to three decimal places.
A. 0.354 sec
B. 6.962 sec
C. 0.868 sec
D. 1.227 sec
Answer: D
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Solve the problem. Use an annual percentage rate table if necessary.Sarah Yost took out a 48-month fixed installment loan of $17,000 to open a gift shop. She began making monthly payments of $423.05. Sarah's business does better than expected and instead of making her 12th payment, Sarah decides to repay her loan in full. How much interest will Sarah save (use the actuarial method)?
A. $2205.29 B. $1907.97 C. $1926.35 D. $1872.84
Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. List the elements in the following set.
? 
A. {q, r, s, t, u, v, x, z} B. {q, s, u, v, w, x, y, z} C. {w, y} D. {s, t}
Evaluate the integral.
A. 42y
B. 3x(5x - 1)
C. 
y
D. 29
Solve the problem.A woman has $1.70 in dimes and nickels. She has 2 more dimes than nickels. How many nickels does she have?
A. 10 B. 8 C. 14 D. 12