Answer:
44m
Step-by-step explanation:
area of a trapezoid = (a+b)* h/2
since the distance between two parallel sides is 15, that would be your height
plug everything in and you get:
480 = (20 + b) *15/2
b = 44
7y is the anwser
brainliest is appreciated
Hope this helped
Answer:
Step-by-step explanation:
f(x) = -x + 71 - 4 is a straight line. It does not have a vertex.