Which one is correct? Also if u wanna talk just hmu on this question ;)

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

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Write the equation in logarithmic form e^x=403.429