Answer:
x - intercepts: (-5,0), (5,0), (7,0)
I'm not sure if you would count these, but x and y also have the intercept of (0,0).

At first Divide the figure into two rectangles, I and Il
Area of figure l is ~
Area of figure ll is ~
Area of whole figure = Area ( l + ll )
that is equal to ~
Cut five inches to creat the least amount of unused cardboard.
Answer:
48
Step-by-step explanation:
48 is divisble by all of them
Distance = speed x time
time = distance/speed
= 340/85
= 4h