Answer:
170
Step-by-step explanation:
Its 170 degrees
Just look at the protractor
Answer:
y=3
Step-by-step explanation:
-5-7y=-20y+34 you add the 5 over and add 20y to the other side to get this:
13y=39 then you divide that by 13 to get the anser of 3.
Answer:
13
Step-by-step explanation:

Answer:
(–3) + 9 , 7 + (–1)
Step-by-step explanation:
srry im late and srry if im wrong
If there is 23 classrooms and each has 10 then you would have to times 23 by 10 - 23x10=230