The answer to the first one is Noah. It has to be. They have an equal amount of money. They both have 7 dollars and 50 cents.
Hello, I’m not super sure about the last part but to get 1 divide 20 by 20 and then from 1 multiply by 12 to get 12. I hope this helps :)
Answer:
4² + b² = 8² or 8² = b² + 4² if following hypotenuse, unknown, and known leg
Step-by-step explanation:
Created by using a² + b² = c²
(a)

= 400
(b)


(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches