PLEASE HURRY AND HELP!! In order to prove that the diagonals of a rhombus are perpendicular to each other using the following figure, which triangle congruency postulate is used?

Which equation represents the partial sum of the geometric series?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

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