Lee has a piggy bank with 39 total coins. There are dimes and nickels that total to $3.20. How many dimes and nickels does he have? need help asap

Arational number that is equivalent to -20/4?

Perry angelo is planning to open a restaurant. he has the resources to produce and sell either hamburgers or pizzas. so he does some research and finds that the new location has a good demand for pizza. he hires cooks, wait staff, and an accounts person for his new pizzeria. he also arranges for materials such as pizza ingredients and pizza boxes. determine three factors affecting perry's cost of making pizza. write down the name of the factors and their instances in this scenario.

For breakfast, clarissa can choose from oatmeal, cereal, french toast, or scrambled eggs. if she selects a breakfast at random, what is the likelihood that she will choose oatmeal?