Answer:
A. 38
Step-by-step explanation:
F(6)=7(6)-4
Plug the 6 in for x
7*6=42
42-4 = 38
& thats it....
Answer: jibjabjobjab it’s there
x= 7
Theorem: The sum of the angles of a triangle is 180
Memorize that theorem
8x - 9 + 63 + 70 = 180
8x + 124 = 180
8x = 56
