Ms. Howard is companing the cost to attend two different preschools. Pencil
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Preschool A charges a $40.00 registration fee plus $5.00 per day of attendance.
Preschool B does not charge a registration fee but charges $7.50 per day of attendance.
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At what number of days will the cost of attendance be the same for both preschools?
3 days
6 days
16 days
None above

What is the pattern in the values as the exponents increase?

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.