15. (4 pts.) A weight is attached to the end of a frictionless spring, pulled down to extend the spring, and then released. Let d be the distance of the weight above
the floor at time I, where d is in centimeters and is in seconds. The distance
varies sinusoidally over time. A stopwatch reads 0.0 seconds when the weight is at
it's low point of Il centimeters above the floor. It's first high point 42 centimeters
above the floor occurs at 1.2 seconds. Write a trigonometric equation to express
d in terms of t.

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

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