There are two questions there. Feel free to just answer one. I’m stuck on these last two.

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

How can you find the mean absolute deviation (mad) for this set of data?