Pls answer correctly c:

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?

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

Simplify the following expression 48^1/2