What is the slope of line that contain these points ?

Classify the following triangle check all that apply

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.)

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles