Determine whether each expression is a monomial. Write yes or no and explain your reasoning.
21a2 3
1. 7b 2. 5x − 11 3. 2020

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.