The volume of a cube is Side ^3
Find the cubic root of the volume to find the side length:
Side = cubicroot(216) = 6 feet.
The area of a face of a cube is s^2
Area of a face = 6^2 = 36 square feet.
Area of 2 faces = 36 x 2 = 72 square feet
Answer: 72 square feet
graphed it with desmos (free as app and website).
the solutions are in the screenshot
(1, 3)
(3, 7)
Answer:
?
Step-by-step explanation:
Answer: 
Step-by-step explanation:


We need -9x on the left side, to move it, we must add 9x on both sides.

Done. We have Ax = 9x, By = 1y and C after the equal sign = -6