Find the missing value and write a conclusion.39% of what number is 78?
A. 39% of 0.5 is 78.
B. 39% of 50 is 78.
C. 39% of 2000 is 78.
D. 39% of 200 is 78.
Answer: D
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Solve the problem.A laminated lab bench has 
of plywood, 
of pressed board, and 
of formica. What is the thickness of the lab bench?
A. 1
in.
B. 
in.
C. 
in.
D. 2
in.
Solve the problem.The population of rabbits varies with the season due to migration, birth and death. The number, N, of rabbits during month x on a certain midwestern farm can be estimated with the following graph.
1=January, 2=February, and so on. What month has the least number of rabbits?
A. January B. February C. December D. March
Add. Use a number line only as a check.-69 + (-83)
A. 14 B. 152 C. -152 D. -14
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs.Entering GPACurrent GPA 
A. y = 0.33x + 2.51 B. y = 0.03x + 3.67 C. y= 0.02x + 4.91 D. y = 0.50x + 5.81