Answer:
How many boxes are there?
Answer:R+M=T----T=R+M
Step-by-step explanation:
M=T-R
Add R to each side
R+M=T
± 25
,3^2+5^2=x^2
(3+5)^2=x^2
(8)^2=x^2
64=x^2
x=√64
X=8
