Access the problems a business manager face when using mathematics to slove business problems

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

What 8/12+8/11 in another way than and improper fraction