This is unit rate. could someone give me the answer?

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Predict which statements are true about the intervals of the continuous function. check all that apply