Pls help me ik the last answer is 4 but what the first one pls help 40 points ​

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

Write an algebraic expression for the word expression the quotient of c and 8

Which equation represents the function on the graph?