Add me to myself and multiply by 4. divide me by 8 and you will have me once more. what number am i?

Find and simplify an expression for the area of five rows of square with side lengths of x

The viceroy of spain asked that coronado's expadition be cristian and apostolic and not a buchery,what does that mean and did cornado follow his orders

After the civil war which president was called a "carpetbagger"?