Step-by-step explanation:
The sum of two opposite interior angles equals an exterior angle
50+?=115
?=115-50=65°
Answer:
12 : 22
Step-by-step explanation:
Answer:
y = -3
Step-by-step explanation:
5y = 3y - 6
2y = -6
y = -3
13 nehrdjyyk ivihudkihpyvkjj ty
Answer:

Step-by-step explanation:
Given


Required
Determine the 7th term
The nth term of a gp is:

So, we have:




