Plzzz someone help I'm stuck plz help radius is 2 1/2cm​

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

How can you find the mean absolute deviation (mad) for this set of data?