Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. The value of when a = 2 and b = -1 is

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.

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15