Ther are 29 students in Mrs. Hernandez’s homeroom. One student will be randomly selected to act as a representative on the student council. If there are 11 boys and 18 girls in the class, what is the probability that the representative will be a boy?

Drag and drop the answers into the boxes to complete this informal argument explaining how to derive the formula for the volume of a cone. since the volume of a cone is part of the volume of a cylinder with the same base and height, find the volume of a cylinder first. the base of a cylinder is a circle. the area of the base of a cylinder is , where r represents the radius. the volume of a cylinder can be described as slices of the base stacked upon each other. so, the volume of the cylinder can be found by multiplying the area of the circle by the height h of the cylinder. the volume of a cone is of the volume of a cylinder. therefore, the formula for the volume of a cone is 1/3 1/2 1/3πr^2h 1/2πr^2h πr^2h πr^2

What is the area of the trapezoid shown ?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?