Ineed with this problem it is 30/90=1/x

Aunt becky gave 5/6 of a cup of pudding to each of her 3 nephews. how many cups of pudding did she give out?

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.