Translate the following mathematical sentences into mathematical expression,equation or inequality.

_____1. The sum of a number and five.
_____2. The ratio of three and three is equal to one.
_____3. Five times a number minus two is seventeen.
_____4. Twenty is less than thirty.
_____5. Ten minus a number results to eight.
_____6. A number times two.
_____7. Thrice a number is twenty-four.
_____8. Fourteen minus seven gives seven.
_____9. The ratio of twenty-eight and seven is four.
_____10. A number subtracted from ten. ​