How do i solve this: 5m (7-10n)=3p for n

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?