What is the answer to 25, I need the answers for all 4 boxes please?

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w where hh is the number of hours worked and ww is the number of wagons sold.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?