Divide, using long division: (4x^4 −5x^3 +2x^2 −x+5)(x^2 +x+1) Please help I’ve been trying for 4 hours there are no answers choices

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

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 (%)

If y varies directly as x2 and y=6 when x=6, find the constant of variation.