Answer:
ok so i think it it a or b i don't know but hope i am right
Step-by-step explanation:
Answer:
1. Read through the problem and figure out what it's about.
Represent numbers you don't know with variables.
Translate the problem into a mathematical expression.
Solve the problem.
Check your work.
Step-by-step explanation:
30 & 150. 150 is five times 30, and 150+30=180
Answer:
20
Step-by-step explanation:
The pythagorean theorem states that

So 
You would then do

Because a square root is the opposite of a square.

because 20 * 20 = 400