Tom has 12 cards with the numbers 1 to 12 on them. He selects one card at random.

Find P(5 or 8).

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Which graph represents the linear function below? y-4= (4/3)(x-2)

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?