Syafi has a spherical shaped metal solid and he wants to melt it for forming 3 cone shaped solids. The figure shows the sphere and the 3 cones. Every cone has a radius of 2 cm and a vertical height of 9 cm. Using pi = 22/7, calculate the radius the metal sphere.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?