Solve the problem.Clearwater Community College had 1203 students enrolled in 1998 and 984 students enrolled in 1999. Find the percent of decrease in the number of students from 1998 to 1999. Round to the nearest tenth of a percent.

A. -16.4%
B. -22.3%
C. -14.6%
D. -18.2%


Answer: D

Mathematics

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Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circle  if the density of the wire is 

A.  =  = 
B.  =  =  
C.  =  = 
D.  =  = 

Mathematics

Solve.The rate of return of certain investments increases as the risk factor of the investment increases. An investment with a risk factor of 2 has a rate of return of 5.0%. An investment with a risk factor of 18 has a rate of return of 20.0%. What is the average rate of return per unit of risk?

A. 0.72% per unit risk B. 0.94% per unit risk C. 1.38% per unit risk D. 1.07% per unit risk

Mathematics

Solve the problem.Find the mass of a sphere of radius 10 if    k a constant.

A. 1000k? B. 10,000k? C. 100k? D. 20,000k?

Mathematics

Add or subtract.15 + 9

A. 24
B. 25
C. 15
D. 23

Mathematics