Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find y
The attached triangle is isosceles; so:

Also, we have:
--- angles in a triangle
Substitute: 

Collect like terms


Answer:
8
Step-by-step explanation:
when multiplying two negative, it turn into a positive.
Answer: It would be 3 yards
<span>1 Yard = 36 Inches
</span>36+36+36= 108 inches
So its 3 yards.
Hope i helped
Y =

This is because the total cost is 10x + 480 and then that needs to be divided by the amount of people.
The anwser is 0.083 a bunch of threes follow but the aren't important all you need to do is round which that should be rounded enough.