When calculating the volume of an object, why do the units end up being raised to the third power as in cm3?

What is the length of bc ? enter your answer in the box.bc =

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.