I am pretty sure that it would be 13m + 8. All you have to do is combine the like terms.
Answer:
Do you have the math exercices? I am sorry but I can just help in the subjects concerning math. It is been some time since I studied biology and other high-school subjects.
Hi i wanted to help you but i hate math do i am soooooooo sorry
Easy, showing work,
using the method FOIL (First,Outer,Inner, Last)
Take, (x+3)(x+5) and multiply,
First,
x*x=

Outer,
x*5=5x
Inner,
3*x=3x
Last,
3*5=15
Add the terms together,

+8x+15 (

+5x+3x+15)
Thus, your answer.
Ratio brown to yellow after drawing=3:8