Math help pleeease!?

Question

mmkay so for my math class im having some trouble on some questions. first: 6-[2+7/3 - (2x3-5)] and second: 8 squared-6(4) / 2(5)- 4. pretty long i no! haha! pleaaase help cuz my teachers very precise about this stuff! thanx! :D

Answer 1

on the first problem: is the 2x cubed?

6-[2 + 7/3 - 2x^3+5]

6 - 2 - 7/3 +2x^3 - 5

= -2 2/3 + 2x^3

2nd prob:

64 - 24 / 10 - 4

20/3