Answer:
1 ft³
Step-by-step explanation:
The formula for the volume of a cube is
Vol. = l³ = l × l × l
If l = 1 ft,
V = 1 ft × 1 ft × 1 ft
V = 1 ft³
5x+9-3x=11
5x-3x=11-9
2x=2
2:2
x=1
Average speed is 3 kilometers an hour
Option C.
we know that
Using a Excel tool (Correl function)
see the attached table
The r-value is