Which of the following is a valid probability distribution? I’ll report if it’s wrong

Write a corresponding real world problem to represent 2x - 125=400

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Which of the following three dimensional figures has a circle as it’s base