Answer:

Step-by-step explanation:
4 = ½[6] + b
3

I am joyous to assist you anytime.
12:15 does not belong, since that is a ratio of 4:5, whilst the others are all 3:4.
Answer:
10+ (4 23 + 7) - 19
I don't know if the 4 is supposed to be multiple or subtract or to add but If it is add
Answer:
Step-by-step explanation:
One coin