Answer:

Step-by-step explanation:
Given the equation

Use distributive property:

Use commutative property to rewrite the equation:


Add 10 th both sides:

Subtract 

Divide by 13:

By using my brain I can figure it out.
Answer:
162 [m²].
Step-by-step explanation:
required surface is:
A=(3*7+6*7+3*6)*2=162 [m²].
Answer:
Then the correct answer would be to two decimal places. Credit to 25rx0162.
Step-by-step explanation
Hope this helps : )
A = b√x+c
a/b = √x+c
(a/b)^2 = x + c
(a/b)^2 - x = c