Factoring algebra two plz help me show your work also​

Alocal concert promoter purchases 2 3/4 pages of ads. when one of the concerts is cancelled, the promoter cancels 1 5/8 pages of ads. how much advertising space is the concert promoter actually using?

If jaime wants to find 60% of 320, which table should he use?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?