Subtract 8 1/5 -4 2/5. Simplify the answer and write as a mixed number.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

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

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?