Sophia has a shelf that is 51 over 2 inches wide. how many notebooks can sophia arrange on the shelf if each notebook is 3 over 2 inches thick?

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

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 (%)