What is 7 divided by c in a algebraic expression

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.

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Plz hurry evaluate the expression a+b where a=8 and b=19