The number of vehicles a dealership sells varies directly with the money spent on advertising. how many vehicles does the dealership sell for each $1,000 spent on advertising?

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes

How can you find the mean absolute deviation (mad) for this set of data?

If the line in the graph is shifted up two units which is the equation of the new line