If the ratio of girls to boys is 5: 6 how many hiels era there if there are 99 scalors

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

If $190 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 4 years? use the continuous compound interest formula: a = pert

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?