Marcos programs his calculator to evaluate a linear
function, but he doesn't say what the function is. when
5 is entered, the calculator displays the value 2. when
15 is entered, the calculator displays the value 6.
which of the following expressions explains what the
calculator will display when any number, n, is entered?

Answer this question, only if you know the answer. 30 points and brainliest!

What situation is an example of an observational study

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: