Simplify the expression.
(2+3i)^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 (%)

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm