A personal pizza is $7.00 plus $0.50 per topping. Is this proportional?

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

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

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?