The planet mercury has a diameter of 4,878 km whereas the moon has a radius of 1736.5 km which object is larger and why?

How to do this , and can some one explain

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose