Select all statements that apply to each type of quadrilateral.

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

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 (%)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?