55mi / h and the cars leave the same place at the same time, but drive in opposite directions along a straight roadOne car averages other averages . In how many hours will they be 250 miles apart? A about 17 hours 65mi / h 21 hours hours 45

An angle that measures between 90 and 180° is called a(,

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?

If f(x)=3 over x+2 - square root x-3 then f(7)=