Is a symbol for Zero used in the Roman numerations systems​

Pick the description of a geometric object that best matches the real world object box for a deck of card

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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 (%)