P-3 divided by p^2 +p -12 times 4p +16 divided by p+1

Evaluate the following expression 1/3^2

X-intercept=-5 y-intercept=2 the equation of the line is

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 (%)