Help find the value of x pls I’ll give brainleist. No links or I’ll report you

x = 12

Step-by-step explanation:

The angles are supplementary and add up to 180

(8x - 20) + (8x + 8) = 180

Combine like terms

16x - 12 = 180

add 12 to both sides

16x = 192

Divide both sides by16

x = 12

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are