The distance between two stations A and B is 100km. If the average speed of a train is increased by 5km/h , the time taken by the train to travel from A to B would be 10 minutes less. Find the original average speed of the train.

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

If the discriminant if a quadratic equation is 4 which statement describes the roots?