Abox of greeting cards contains 20 birthday cards, 15 get-well cards, and 15 -you cards. find the percent of each type of card in the box. birthday cards: get-well cards: -you cards:

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?