Answer:
y=7
Step-by-step explanation:
The two given angels are congruent so they must be equal in measure.
Set them up equal and find y.
8y = 5y + 21, subtract 5y from both sides
8y -5y = 21, combine like terms
3y = 21, divide both sides by 3
y = 7
Answer:
It's 2
Step-by-step explanation:
Because
-16/-8=2
Answer:
slope = -4, y intercept = 1
Step-by-step explanation: