Please help need steps to solve 5^-2 x^-1/ x^4 y^2= A. 1/25x^3 y^2
B. 1/ 10x^5 y^2
C. 5x^5/ y^2
D. 10/ x^3 y^2
E. 1/ 25x^5 y^2

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.

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).