Answer:
idk.
Step-by-step explanation:
Answer:
Well you can either straight up subtract from the total degrees of a triangle using the sum of both of the given angles, which would equal x, or you can make an equation. I’ll do both.
180-78-51=51, x=51
78+51+x=180
129+x=180
x=180-129
x=51
Answer:
Distributivity of multiplication Across addition
Step-by-step explanation:
Equation of the line: y=-x-10
It would be -1/3 or -0.3 repeating bar over the 3