Mabel measured an angle on her math worksheet with her protractor. the angle measured 140°. if she were to draw an angle which was supplementary to the angle on her worksheet, what should that new angle measure?

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4