A2 + b2 = c2 ; a=6 , b=8 , c=10 true? prove it.

It's false.

Step-by-step explanation:

a2= 6×2= 12

b2= 8×2=16

c2= 10×2= 20

12+16= 28, not 20. Therefore, a2 +b2 doesn't =c2. Hope I helped!

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )