Perform the indicated operation. a^2-7a-18/4a^3 divided by a^2-4a-45/2a^3-4a^2 multiplied by a^2+3a-10/a^2-4+4

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?

True or false? a circle could be circumscribed about the quadrilateral below.

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15