Evan bought 6 batteries at $10 apiece and 6 batteries at $4 apiece. the total cost was the same as he would have spent buying 6 batteries at $14 apiece. so,(6x10)+ (6x4) = 6x 14.which property dose the equation illustrate

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.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =