Can somebody PLEASE HELP ME i really need it thank you!

If XY is 4 m and WZ is 9 m, the exact volume of the cone is ___π square meters

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca