A spherical scoop of ice cream is placed on a waffle cone. The
diameter of the ice cream scoop is 6.4 centimeters. The waffle cone has a
diameter of 5 centimeters and a height of 9 centimeters. If all the ice
cream melts before you eat any, how much of the melted ice cream will
overflow the waffle cone? Use 3.14 for pi. Round to the nearest hundredth.

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?