Solve for ttt.
-t = 9(t-10)

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.