Billy was counting the number of wheels and bike seats at the playground. he saw tricycles and bicycles. he counted 79 wheels and 28 seats.
how many bicycles did billy see?

The difference between tax advoidance and tax evasion

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.