Help me with 7 and 9 show your work !

Which of the following lines is not parallel to the graph of y = 4x +7?

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer