Which circle does not belong with the other three and why? Does anyone know this

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3