If the side lengths are 9, 12, and 15, is this a right triangle? i will mark brainliest to the best answer :) (image shows answers)

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

The distributive property allows you to say that 3(x − 1) = 3x −

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