Agreengrocer sells a melon at a profit of 37.5% on the price he pays for it. what is the ratio the cost price to the selling price?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Find the missing factor. write your answer inexponential form.9^2=9^4×

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9