The figure is made up of a cylinder and two half spheres. Which expression can be used to find the volume of the sphere in this composite figure? (all connected)
half sphere= radius 5mm
cylinder= 10mm tall
cone at bottom of cylinder

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Using elimination, what is -4x+2y=-12 4x+8y=-24

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!