Asaleswoman earns 3% commission on all the merchandise that she sells. last month she sold $9000 worth of merchandise. how much commission (in dollars) did she earn last month?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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 (%)