Marjorie wrote �� + �� using the GCF and the distributive property as �(� + ��) while Bobby wrote the expression as ��(� + �). Who correctly rewrote the expression using the GCF and why?

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.

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

For what value of (y) is 3^3/3^y =1/9