Mr. Jansen and Mr. Tong are grading quizzes. Mr. Jansen has 30 quizzes graded already and grades at a rate of about 1 quiz per minute. Mr. Tong only has fifteen quizzes graded but grades at a rate of about 2 quizzes per minute. Write an inequality that shows how long Mr. Jansen remains ahead of Mr. Tong in the number of quizzes graded.

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Which of the following is true for the relation f(x)=2x^2+1

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