Answer:
6x^2 -10
Step-by-step explanation:
(5x²+2) - (-4x²+7)+(-3x²-5)
Distribute the minus sign
(5x²+2) +4x²-7 +(-3x²-5)
Combine like terms
5x²+4x²-3x² +2-7-5
6x^2 -10
200-144=56
56/2=28
Neil is 28
Answer:
I found out the answer, it's 2/3
Step-by-step explanation:
I hope that helped!
Answer:
cosC = 
Step-by-step explanation:
cosC =
=
= 