What is the probability to get rain exactly 2 days during a week if probability to get rain in a randomly selected day p=0.2?

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

What’s the range cuz i can’t find it?