Solve for angle MUV pls I’m not good at this

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 (%)

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org