SOMEONE PLZZZ HELP ME PLZ

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.