Answer:
you can find angle E by
Step-by-step explanation:
sum of angles of traingle is 180 degree
The y intercept is seven so you would start by placing a point on (0,7). Then you count Down four points because the slope is a negative number and then count nine points to the right. You would have to keep counting down four points and the right nine points until your line was long enough.
Are the cupcakes 37 dollars each or is it 37 dollars for 20 cupcakes?
if they are $37 each then sally can buy 2 cupcakes
if they are $37 for 20 then sally can buy 40 cupcakes

Radius / diameter as a length cannot be negative, that's why '-16' is wrong.