To decrease a number by 3% what single multiplier would you use

Write a polynomial for a third-degree polynomial with leading coefficient -4

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

Two numbers have a sum of -19. one number is x. what expression represents the other number?