If kaden has 12 balls and izaih has 8 and kaden gives 8 balls to his new friends, how many balls do kaden have left?

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

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.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r