Aclothing store is having a 20% off sale. renata has a coupon for $5 off. the function f(x)=0.8x - 5 represents the final cost after the discount and machine for a timed a, b, c, and d.

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?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?