Vanessa buys a new large washing machine and a new large dryer for her laundromat. She wants to determine how many loads of laundry, x, it will take before she has earned back the money she
spent on each machine. The equation shown can be used to find the amount of money, y, Vanessa
still needs to earn.

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.

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.