Find two integers whose sum is -16 and product is 48

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

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth