Is this correct?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?