Explain intergers i have a problem solving questions on the subject

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

What is the base of 1/9 to the power of 2

Which expression shows the sum of the polynomials with like terms grouped together