An airplane flies 700 miles with a tail wind in 2.0 hrs. if it takes 2.5 hrs to cover the same distance against the headwind, then what is the speed of the plane in still air? a).290mph b).315mph c).240mph d).330mph e).250mph

The duration of a photographic flash is related to an rc time constantly

If one were to put the y value into the equation, they could find out what x is for a certain value of y.  putting in the value of y (1), we get the equation: 1=4x-12=4xx=0.5this means that the value of x when why is 1 is x=0.5

There are no answer choices, so an example would be: it takes a long time and a lot of precision to sew a shirt by hand, so a machine was created to do the job instead.