mark has to walk the dog every other day has to feed the cat every 4 days and has to change the water in the fish tank every 6 days if he starts all of his chores today when is the next time he will have to do all three chores on the same day?

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Simplify using positive exponents only.