Angie sells blue and yellow balloons. for every 10 blue balloons that are sold, she sells 7 yellow balloons. if angie sells a total of 340 balloons, how many will be blue?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.