How am i supposed to solve this ? ? and what’s the answer ?

Write an equation for the function that includes the points (2,100)and (3,100)

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

Factor the polynomial expression x6 – x3 – 20