A package of 5 pairs of insulated gloves costs $42.95. What is the unit price of the pairs of gloves ?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625