Mr. foley wants alex to cut out a triangle to hang on the class bulletin board. he starts by cutting a line 8 inches long and two angles, 50° and 30°. what will the third angle measure?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

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?