Answer: <em>23.7</em>
Step-by-step explanation:
<em>Let's calculate the acute angle at the base of the triangle:</em>
<em>180° - 90° - 40° = 50°</em>
<em>Find side x:</em>

=(3a-4a-3a)+(2b+6b-2b)+(-7c+9c-7c)
=-4a+6b-5c #
Answer:
$13.5
Step-by-step explanation:
Divide the total amount raised by how many students the money was divided among.
135/10=13.5
Answer:
5
Step-by-step explanation:
(3,8) (0,4)
X1 = 3 X2 = 0
Y1 = 8 Y2 = 4


Do what's in the parentheses so...
- 3-0= 3
- 8-4= 4
Now plug it in!

Now you are going to finish the parentheses so...
- (3)^2= 9
- (4)^2= 16
Plug that in so that you have this...

Add 9+16 to get...

Then you are going to find the number or numbers that make this a perfect square...

So 5 is your answer