Leon has 4 times as much money as Andrew, and Bryanna has $250 more than Leon. If Bryanna has $300, how much does Andrew have? Let a represent Andrew’s money, and let l represent Leon’s amount.

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 are the steps to solving the inequality 3b + 8 ≥ 14?

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next