Debra's room is 4m long, 3.5 wide and 2m high. she wallpapers all 4 walls excluding a door which is 2m by 1m and a window which is 1m by 1m. if the wallpaper costs $3 per m square, how much cost of wallpapers?

all the angles opposite to the angle 150 would be 150 and all the angles that are next to 150 are 30 because they equal 180 it you add it up.

step-by-step explanation:

answer: no

step-by-step explanation: because the big angle will spread away the 2 side that it is on and make the opposite side even longer.

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this