Hey there!
Use this formula:

Remember this formula.
Now, let's solve the given problem.

Hope this helps you!
~Just a joyful teen

Hope this helps and have a fantabulous day! :)
Answer:
x = -3
Step-by-step explanation:
Subtract 8 from both sides to get x alone.
5 - 8 = x + 8 - 8
-3 = x
Answer:
72
Step-by-step explanation:
15 + 15 + 12 + 12 + 18 gives you 72 you add all the areas
Answer:
$2560
Step-by-step explanation:
if 10%=256
then 10 times the amount 100% is 2560