Combining like terms simplify each expression. 1.) -6k +7k 2.) 12r - 8 - 12 3.) n - 10+9n - 3

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Which of the following points is collinear with (-2,1) and (0,3)