Determine growth/decay, the percent of change, and initial value. i need help filling in the blanks :)

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

Hurry!me out! m c 8 10 12 gracie's art box has 5 less crayons, c, than three times the number of markers, m. function: c = 3m - 5 complete the table to show how the number of crayons depends on the number of markers. enter answers in order from top to bottom.