What is the standard form of the number three million sixty thousand five hundred twenty

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 (%)

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account