Martin was going to the market to buy apples. the price for apples is $3.50 times the number of apples bought plus one-dollar tax. write a polynomial function a that represents the price of apples in terms of n. if martin bought 3^3 amount of apples. how much did the apples cost?

Pls , the question is in the picture!

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

When is g(x) = 0 for the function g(x) = 5.23x + 4?