Solve for the hypotenuse in the right triangle shown.​

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 graph represents f(x)=[x]+3. what is f(-2.2)?

Find the axis symmetry of x y=4x-6x+3