If someone drove 150 miles in 4 hours what was there average speed

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2