At a store, customers are randomly selected to participate in a survey. on friday there were 500 customers at the store. of those, 90 were selected to participate in the survey. on saturday, the store manager expects 700 customers in the store. if the probability of being selected to participate in the survey on saturday is the same as it was on friday, how many customers will be selected to participate in the survey on saturday?

Astore experienced a 14.2% fall in takings in february, compared to the previous month. their takings in february were ? 742,513.20 how much did they take in january?

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:

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10