Show that the following equalities are true for any values of a and b:

Answer this question only if you know the answer! 30 points and

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p. mc) knowing that it is going to rain tomorrow, and going to bed before 9 p. md) knowing that you have a test in school tomorrow, and studying thw night before