How is the number 2 in 582 similar to the 2 in the number 528

Which shows the pre image of triangle xyz

Which of the following expressions is equal to 2x^2+8

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 (%)