PLEASE HELP Tom was comparing computer repair companies . The cost y for Computer Access for x hours is shown in the graph . The cost for Computers R Us can be represented by the equation y 23.5x Which company's repair price is lower ? Explain.

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.

Which statement justifies why angle ebc measures 90?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?