How many ways can a chairperson and a vice chairperson be selected from a committee of 25 senators?

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.

For which pair of functions is (gof)(a)=|a|-2?

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8