A bus took 3hrs to cover a distance of 90km. It then had a puncture and it took one hour for repair. It was driven ata speed of 40km/hr to cover the remaining journey within one hour. What was the average speed for the whole journey? ​

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.

Identify the number as a rational or irrational.explain. 127

What is the equation of the parabola with focus (-1,-1) and directrix y=1?