Answer:
I believe y = 90°
Step-by-step explanation:
70 + 110 = 180, so you know that both sides are the same angle. The angle of the two straight lines must be 90°
Answer:

Step-by-step explanation:
Hi there!

Expand the parentheses

I hope this helps!
Step-by-step explanation:
pop goes the weasel is quadratic formula song
Answer:



Remember to add "$" before the number.
Let, the total number of students in school that ride the bike to school be "x"
Now,
Using ratio and proportion, we get,





So, out of 800 students, 125 ride their bike to school.