14*sin(60°) = 7√3 ≈ 12.124 . . . is the altitude
If you are looking fo how it's written then,
(5x-4)^3
Answer:
x+16
Step-by-step explanation:
For this one the negative signs become positive because, if you multiply a negative number*a negative number it becomes positive. That is a rule.

I think the answer is a third. Not completely sure.. sorry :((