The mass of Andrew's empty backpack is 0.8 kg. Andrew will put x kilograms of
books inside it. Which equation can be
used to find m, the total mass of both the
backpack and the books in kilograms?

Taking algebra two apex courses and need with these questions

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 (%)

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?