Aroad crew takes 4/7 of an hour to pave seven miles of road. how long will it take the crew to pave one mile of road? plz i will give you 100 points

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?