On the number chart what is the numbers between -3 and -2

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2