3 -x + 4x -33 idk the answer plz help me with this problem

Which expression is equivalent to sq-80

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 (%)

Which table represents points on the graph of h(x) = 3√-x+2?