If you have the equation (a) x^2 + 2qx + q^2 = 0 and the equation (b) x^2 + 6x = 0 how can you write the equation (b) in the form of equation (a)? describe why you the change you made to (b) is mathematically sound?

Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting

What is the value of y? round to the nearest tenth

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below: