20x - 16y + 32 plz help

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6 im sorry i cant get the graph up

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.