Answer:
1.)B
2.)C
I apologize if this answer is wrong.
Answer:
3) y = 2
Step-by-step explanation:
Step : 1
given 2 y-1 =3
Adding '1 ' on both sides, we get
2 y -1 +1 = 3+1
2 y = 4
dividing by '2' on both sides, we get

cancelling '2' on both sides, we get
y = 2
Answer:
75
Step-by-step explanation:
86+79+68+83=316
391-316=75
Answer:
The sum of any 360-gon's interior angles is 64440 degrees.
Step-by-step explanation: