Calculate the size of all angles marked with variables in the following diagrams. give reasons.

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?