Lila is wallpapering one wall of her bedroom, as shown in the diagram. She will cover the whole wall
except for the doorway.
How many square feet of wallpaper does Lila need?

126ft

Step-by-step explanation: 1. Find the area of the whole wall

2. Find the area of the door

3. Subtract the area of the wall from the door

-1.4 or -7/5

Step-by-step explanation:

Slope=y2-y1/x2-x1

Your two points are:

(-3,2) and (2,-5)

1) Plug in the values into the slope formula:

(-5-2)/(2--3)

2) Simplify:

-7/5

3) Write as decimal: - Optional

-1.4