Lan is buying a house. The floor plan is drawn with a scale of 1/2 inch represents 1 foot. lan measured the dimensions on the floor plan with a ruler. He found that the master bedroom has
a width of 1.5 inches and a length of 3.75 inches. What is the actual width of the room?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?