A periscope is a device that allows an observer on a submarine to search visually above the water when the submarine is submerged at a relatively shallow depth In a periscope, the mirrors are mounted parallel to each other as shown. Light rays enter the periscope from the right and strike the upper mirrorLight rays reflect from that mirror at the same angle at which they strike the mirror, so angle1 cong angle2 can you say about angle3 the angle at which the reflected light ray strikes the lower mirror?

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

I'm confused on this could anyone me and show me what i need to do to solve it.

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