Pleasee help me lol, its due in a few minutes

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

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 (%)