Sally opens a lemonade stand and sells 2x cups of lemonade
for x number of days. Each cup of lemonade sells for y dollars.
Sally wants to donate all the money she made to a number of
charities equaling 2y. What expression below represents the
number of dollars Sally will donate to each charity?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

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

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer