Answer this ASAP friend me and I’ll give you a lot of points no guessing!!!

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?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Which system of linear inequalities is represented by the graph?