Which item would she need the most of for 30 people?

Find the greatest common factor of 28 and 35

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 slope of the equation y =