X + 3x + 4x = 56
8x = 56
x = 7
The shortest piece is 7 inches
The middle piece is 7*3 = 21 inches.
The longest piece is 4*7 = 28 inches
Check
7 + 21 + 28 = 56 It does check and the lengths are correct.
Answer:
D
Step-by-step explanation:
when x=0,y=6*2^0=6*1=6
He is not correct a parallelogram is the same thing as a rectangle with the same dimensions the area is 21 meters btw