Answer:
120°
Step-by-step explanation:


This is one of the part of the properties of angle in a circle, Cyclic Quedrilaterals.
Brainliest would be appreciated :)
Answer:1st option.
Step-by-step explanation:
1. Simplify brackets (3 - 10 + 6 + 5 - 7)
2. Simplify.
Answer: -3.
Answer:
10m + 16
-5y + 15
Step-by-step explanation:
-3m + 16 - (-13m) =
= -3m + 16 + 13m
= 10m + 16
15y - 20y + 15 =
= -5y + 15