Answer:

Step-by-step explanation:
In a given triangle, the sum of every angle is always
. Here, we are given a right angle (
), as well as another
angle. Simply subtracting from 180 will give us the answer.

The correct answer is a.y=3x-4
I don't know if I'm correct, I'm guessing... 30
y=9
Step-by-step explanation:
y=2(6)-3
y=12-3
y=9
Answer:

Step-by-step explanation:
The formula of a Surface Area of a rectangular prisms:

<em>l</em><em> - length</em>
<em>w</em><em> - width</em>
<em>h</em><em> - height</em>
<em />
We have:

Substitute:
