If Mr. Charles was supposed to arrive to work at 9:00 A. M. and he arrived at 8:30 A. M., how many minutes early was he?

A
45 minutes

B
20 minutes

C
30 minutes

D
60 minutes

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Does the point (1, sqrt 7) lie on circle shown.

Hi, can anyone show me how to do this problem? 100 points for this. in advance