It took Terry 7h to drive 390km from cold bay to Morgan's cove. He averaged 60km/h for the first part of the trip, but forced to complete 50km/h due to the thunderstorm. How many hours did he spend driving at 50km/h?

Which of those sequences is a geometric sequence

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.