What unit would you use to measure a school bus?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity