Answer:
None
Step-by-step explanation:
None of these could be correct.
Number 1 is 15 (50-35)
number 2 is 24 (24-24) (0+24)
number 3 is 90.
if anything the best choice would be 2
Answer:

Step-by-step explanation:



Answer:
12
Step-by-step explanation:
16 divided by 4 is 4
8 + 4 : 12
Answer:
w
Step-by-step explanation: