The sum of the interior angles of a triangle is 180 degrees
2x-9+3x+x+3=180
6x-6=180
6x=186
x=31
A=2(31)-9
A=62-9
A=53
Answer: 6x - 4
Step-by-step explanation: -2*f(x) = -2 * (-3x+2) = (-2*-3x) + (-2*2) = 6x + (-4) = 6x - 4
The third one is the correct answer
Answer:
z = 6
Step-by-step explanation:

Answer:
3x plus 5 is definetely greater than -16 cause of the negative and 8 is bigger also then a negative
Step-by-step explanation: