The mean height of kindergartners at an elementary school is 44 inches with a standard deviation of 2 inches. If the heights are normally distributed, use this data to solve the problem. 
What percent of the kindergartners have a height between 40 and 48 inches?
A. 95%
B. 47.5%
C. 99.7%
D. 68%
Answer: A
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Solve the equation.- 
a = -3
A. {1} B. {-6} C. {-7} D. {9}
Provide an appropriate response.Look at the relation graphed below. Is this relation a function? Why?
A. Yes; any horizontal line passes through no more than one point on the graph. B. No; a horizontal line passes through two points on the graph. C. No; a vertical line passes through two points on the graph. D. Yes; any vertical line passes through no more than one point on the graph.
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 0.07 B. x = 2.8 C. x = 36.75 D. x = 3.5
Solve the problem.A collection agency specializing in collecting past-due home mortgage loans charges $10 as an application fee plus 6% of the amount collected. What is the total charge for collecting $6400 past-due home mortgage loans?
A. $394 B. $384 C. $106.67 D. $1076.67