Last one and first. You can find out why by isolating the cube root and cubing both sides.
Math is real hard but I think irrational don’t quote me on that
Answer:

Step-by-step explanation:
The side that is parallel to BC is EF
Find the slope of EF:

Easiest way is just put the formula in point-slope form and simplify.
Let's use point F, which is (6,2)

Simplify:

Add 2 on both sides:

Hope this helped
Answer:
C
my answer is the image above