37 Sally used a ruler to draw the segment AB. She then opened her compass to the length of AB and drew a circle. Keeping the
compass open to the same length, she marked off equal parts along the circle as shown in the following figure.
A
•B
Using some or all of the points of intersection and point A, which of the following regular polygons could she construct?
O A decagon
OB. square
O C. pentagon
OD. Hexagon

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

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

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a