The table shows the colors of Ms. Beal’s pens and how many of each she has. What is the ratio of black to blue pens?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5