the area of a trapezoid is given by the formula a= -(61+ b 2)h, where base bis parallel to base b 2 and his the
height. solve the formula for b 2. show your work.

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

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.

This is so hard and it’s for a test