A group of 4 44 friends is playing cards. The deck has 70 7070 cards. To start the game, the dealer makes a pile of 15 1515 cards in the center. Then she deals the remaining cards one at a time to each player until all the cards are gone.

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

If a is a nonzero real number then the reciprocal of a is

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.