Find the mean for the values of n=700 and p=0.45 when the conditions of the binomial distribution are met

Solve the system of equations y= 3/2 - 1, -x+ y =-3

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?