(0, -9) and (-3, -3)
I need this problem solved with work please!

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 of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.