Larry wants to buy some carpeting for his living room. the leangth of the room is 3 times the width and the total area of the room is 12 square meters. what is the leangth of the living room ?

On a piece of paper graph f(x)=5•(0.4)^x

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244