Please answer with steps and explanation!!!

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

Polygon abcd is a rectangle what is the area

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same