Acrew of highway workers paved 2/15 mile in 20 minutes. if they work at same rate what portion of a mile will they pave in one hour

Which equation matches the graph shown ?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1