which of the following has no correlation? a) a child’s age and their favorite color , b) the number of weeks a movie had been out and the total ticket sales, c) the number of siblings a student has and the number of backpacks in their house, d) the number of apps on your phone and the amount of memory available

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:

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

The longer leg of a 30-60-90 trangle is 18