Xis 25% of 104, 7 is 10% of y, and n is 80% of y. y is what percent of (n+y−x)(n+y−x)

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

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd