Find the unknown length in the right triangle. Simplify the answer if possible. A triangle has an angle labeled 90 degrees. The side opposite the 90 degree angle is labeled 18 and the other two sides are labeled 7 and b. 7 18 90 b The unknown length b in the triangle is nothing.

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

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)