Answer:
add 15 by 19 by 12 to get 46 than cut it in half to get 23!
Hope i helped please mark brainiest I need it!
Answer:
-37
Step-by-step explanation:
To the hundredth is 2 numbers after the decimal so since the third number is a 1 and its less than 5 it does no damage to the 9 therefore you just take away the one and you have your rounded answer, 12.79
