Answer:
if you need to no what 9+15 is it is 24
Step-by-step explanation:
get a pis of paper and draw 15 dots and then you add 9 more dots and you have 24
Answer:
3( 3+5)
Step-by-step explanation:
9 +15
Rewriting 9 as 3*3 and 15 * 3*5
3*3 + 3*5
Factor out 3
3( 3+5)S
