gabriella8671, please go die in a hole. i don't care if i get deleted, but deleting all my answers was unnecessary. Thanks!

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

How are sas and sss used to show that two triangles are congruent?

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