Natalie just invited 100 guests to a party in her small house the base of her house is a rectangle with demensions 8m by 16m

Which of the following is correct interpretation of the expression -4+13

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 (%)

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left