Ali has a bag of red, yellow and blue counters in the ratio 2:1:3 Brad has a bag of red, yellow and blue counters in the ratio 4:3:1.
Ali and Brad have 12 red counters each.
Ali takes a counter out of his bag and puts it into Brad’s bag. Brad then takes a counter out of his bag at random.
Work out the probability that they both choose a counter of the same colour.

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?