I don't know how to do this. I'm struggling!

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).