For each hand made greeting card jack sells, he makes a profit of $0.35. in one week, he made a profit of $42.00. he sells the cards for $0.75 each. about how many greeting cards did he sell that week?

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

How is working backward similar to solving an equation?