Find the slope of the line that passes through the given points.
(9,1) and (9,5)

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

The population of a bacteria colony grows by a consistent percentage each hour and can be modeled by the function y = 500(1.16)t. what does the value 500 represent in the function?