What is the value of the expression when n = 3?
6(n^2+2)/n

What does x = in this equation x+3+2x=x+5

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.