Tyjae and Jason were asked to find the volume of ball with a diameter of 6 inches. Look at their equations. Who is correct? What mistake did the other person make?

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Is it greater than or less than7*3_9*2

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?