Answer:
First of all, idk where the experts are, but i might know the answer.
Step-by-step explanation: (2,9)
Answer:The measure of angle C is 50°
Step-by-step explanation:
The sum of all inside angles must add up to 180°
80+50=130
130+C
C=50
130+50=180
Answer:
No habla engles
Step-by-step explanation:
y = - 5
substitute the value of x = 4 into the equation and solve for y
- 12 + 9y = - 57 ( add 12 to both sides )
9y = - 45 ( divide both sides by 9 )
y =
= - 5