Solve the equation. 
= 7.5
A. 5625
B. 7.5, -7.5
C. -7.5
D. 7.5
Answer: B
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Solve the problem.After spending $3950 for tables and $3150 for chairs a convention center manager finds that the furniture cost 5% more than last year. Find the amount that he spent last year on tables and chairs. Round your answer to the nearest dollar.
A. $3316 B. $355 C. $7474 D. $6762
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.[-2.5, -1] 
A. constant B. decreasing C. increasing
Find the reciprocal, or multiplicative inverse.17
A. 
B. - 
C. -17
D. 0
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 
at an angle of 
Round your
answer to three decimal places. A. 6.928 sec B. 1.221 sec C. 0.352 sec D. 0.863 sec