In a given quadrilateral each side is parallel to its opposite side, and the diagonals are not perpendicular what could it be ? ?

Use the numbers in the multiplication equation 45 x 1/9 =5 to write a division equation involving division by a fraction.

What is the equation of a line that passes through points (0, 4) and (-4,-8)?

For a short time after a wave is created by wind , the height of the wave can be modeled using y= a sin 2pi(t) / t where a is the amplitude and t is the period of the wave in seconds. how many times over the first 5 seconds does the graph predict the wave to be 2 feet high?