Plzz help will mark brainliest don't do it for the points plzz

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left