BRAINLEST IF U ANSWER 6-10 AND 13-16 PLSS ITS TIMED

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

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9