This is my younger sis this is her question. Her GRADE DEPENDS ON IT. HURRY! I will give brainliest

Answer:
for number 2 the answer is 7 and for number 3 8+1 =9 and number 4 is 9+1= 10 and number 5 is 12
Step-by-step explanation:
all you have to do is if you have a calculator and add those numbers and get your answer!
I hope this helps bestie!