Answer:
It would be distributive property
Step-by-step explanation:
Because you have parenthesis and you need to distribute that 2 to everything in the parenthesis and you will get 2x+6 because 2(x)=2x and 2(3)=6 and when you put those together you get 2x+6
Hope this helps! Sry if I get it wrong! :)
I think it would be 100°
question 4
using sine rule:
question 5
using cosine rule:
f(x) = -1/x+5 +2
