Which step is not necessary when solving this system of equations by graphing?
(3x-y-4
(x+y--4
o identify the point of intersection.
o choose a method to graph the equations.
o determine the shaded area for each line.
o write the solution as an ordered pair

Identify the graph of y = ln x + 1.

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.

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28