Laura drove to the mountains last weekend. there was heavy traffic on the way there, and the trip took hours. when laura drove home, there was no traffic and the trip only took hours. if her average rate was miles per hour faster on the trip home, how far away does laura live from the mountains?

Sorry guys but as you have a small brain

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.