Answer:
28
Step-by-step explanation:
7 x 4 = 28
hopefully this helps you :)
pls mark brainlest ;)
Answer:
https://www.khanacademy.org/
Step-by-step explanation:
I am not entirely sure what you mean however if you sign up for this website and go to whichever grade level you need you can practice all you want
Answer:
6 squared
Step-by-step explanation:
The square root of a perfect square is a rational number.
Technically, none of the equations.
The equation you're looking for would be:
x²+(x+20)²=150²
Answer:
Step-by-step explanation:whtyui
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