Find the distance between the points (9, 8) and (5, 3). Write your answer as a whole number or a fully simplified radical expression. Do not round,

___ unit

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)