Micheal is 3 times as old as alex. 18 years ago, micheal was 9 times as old as alex. how old is micheal now?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?