Answer:
A. 15, 20, and 25
Step-by-step explanation:
Note that 3-4-5 is a pythagorean triple via following:

Dividing 15, 20, and 25 by 5 nets you the pythagorean triple 3-4-5.
Add them all together and divide by the number of variables here there are four and the answer is 1.25 or 5/4
Answer:
keep it man u will do ok just be careful with other problems
Step-by-step explanation:
I wanna help you but I don’t understand sorry