Today each cookie coat $0.75 less than the normal price. right now if you buy 7 of them it will cost you $2.80. write an equation to determine the normal price of each cookie.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What is the difference between the predicted value and the actual value