An ice-cream factory makes 250 quarts of ice-cream in 2 hrs. how many could be made in 36 hrs

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.)

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

For what values of a is the sum of the fractions 2a−1 / 4 and a−1 /3 positive?