Pls what is mapping amd function in further maths

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.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the