From a standard 52-card deck, how many 5-cars hands will have 2 spades and 3 hearts

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.

Math each whole number with a rational, exponential expression

In a column proof the right column states your reasons