Factor
x + x²y + x³y²

and

10ℎ³³ – ² + 14hn

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Which is the focus of a parabola with equation y2=4x

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?