Answer:
y= 8th grade class,
y + 24 =160
subtract 24 from both sides
y=136
there are 136 students in the eight grade class
Step-by-step explanation:
Answer:
13 is answer
Step-by-step explanation:
hope it helps
Answer:
<h2>A = 225 in²</h2>
Step-by-step explanation:
The formula of an area of a square:

<em>s</em><em> - side</em>
The formula of a perimeter of a square:

<em>s</em><em> - side</em>
<em />
We have a perimeter

Substitute:
<em>divide both sides by 4</em>

Put it to the formula of an area of a square:

Answer:
115 degrees
Step-by-step explanation:
supplementary angles add up to 180 degrees, so if x is the angle you're trying to have you get:

Answer:
E. 2i√5
Step-by-step explanation:
√-20 = (√-1)(√20) = i·(2√5) = 2i√5