Toby buys a new MP3 player for the price of $125.If the MP3 player was on sale for 30%, what's the discount? What is the sale price?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

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 (%)

What is the absolute value of the complex number -4-sqrt2i