K/5.2 + 81.9 = 47.2

what is the value of k

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.

Find the missing factor. write your answer inexponential form.9^2=9^4×