What type of function is represented in the table?

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.