Find the volume of the sphere. Either enter an exact answer in terms of 3.14 or use 22/7 for 3.14 1/2

Volume of cylinder with a radius of 8cm and height of 25 cm

(x-5)1/2+5=2 what is possible solution of this equation

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.