9+10=?
9 = 3x3
10= 5x2
3 (from 3x3) x 5 (from 5x2) = 15
3 (from 3x3) x 2 (from 5x2) = 6
15+6=21
Therefore 9+10=21
Answer:
21 dollars
Step-by-step explanation:
Answer: what are the choices
Step-by-step explanation:
Answer:

Step-by-step explanation:
Take out 8m as a factor from the top side of the equation. You are left with 