Answer: 
Step-by-step explanation:

Begin by multiplying parentheses.



Subtract 


Add 3


Combine like terms;

Divide by 10

Simplify;

Answer:
160
Step-by-step explanation:
if girls is 6 and boys is 8
and there are 120 girls
120g= 6g * 20
meaning you multiply 8 by the same thing
160= 8b * 20
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Answer:
Emily bough 1080 inches of fabric.
Step-by-step explanation:
There are 36 inches in a yard.
36 multiplied by 30 = 1080.
Answer:
x=1
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
-6x+9=x+2
-7x=-7
7x=7
x=1
(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥
Please, please give brainliest, it would be greatly appreciated, I only a few more before I advance, thanks!
Answer:
x = 45°
y = 15.41 units
Step-by-step explanation:
Given quadrilateral is a square. Each angle of square is 90°
Diagonal of square bisects the angle.
