If the mean of six numbers is 41 and if one is removed the mean will be 46 what is the number being removed

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.

Find the area of the regular hexagon if a side is 20 cm.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?