Answer:
Step-by-step explanation:
if breadth is y feet long
let length be y+4
therefore,
area=(4+y)*y
area=4y+y2
81-1/2
80/2
40 and right than say
D. the total distance a vehicle travels as it goes up a hill and then maintains a constant rate of speed at the top.
even if the distance increases the graph should rise up.
Answer: 120m
