Directions for making a quilt says to cut 15 squares with sides that are 3.625 inches long what is the side length written as a fraction

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 of the following contains a variable?

X+y=-4 x-y=2 use elimination with adding and subtraction