5 is the y intercept.
-Always the number without the variable.
I think 1 because if you had 2 you'll end up with a shape that is greater than 180 degrees. Keep in mind obtuse angles a over 90 degrees. hope that helped
Answer: 
for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²
7+7+7=21 is the same as saying 7 times 3+
=21
It’s graph 2 because it is. There is a pause for the taking the bath and then the emptiest mhm so it can’t be graph 3
