A rectangular patio has an area of 91 square feet. The length is 6 feet greater than the width. Find the dimensions of the patio. Solve by
completing the square.

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Express -5 2/5 as an improper fraction.