First person to answer will mark brainliest

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 (%)

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Plot the intercepts to graph the equation