Cookie recipe for every 3 cups of flour 2 teaspoons of vanilla is needed how many teaspoons are needed for 5 cups of flaou

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

If you could answer these your a life saver

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?