Show that the diagonals of a rhombus divide the rhombus into four congruent triangles.
Please provide the answer with a two column proof.

What is (28 + 7 + 6 + 3) x 1/2 show your work

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?