Select the statements that are true based on the following given information. D = {x1 x is a whole number)
E = {xl x is a perfect square < 36}
F={xl x is an even number between 20 and 30)
The expression DU E = E.
EU (Dn F) is (25).
OECD
(En F) is the empty set.
Set E is infinite.

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

How many grams the dog will eat in 3 days?

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?