Mr. Haley is learning a ladder against the side of the house to repair the roof. The top of the ladder reaches the roof which is 16 feet high.

The base of the ladder is 12 feet away from the house where Mr. Haley’s son is holding it steady.

How long is the ladder?

_feet.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

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