Which of the following equations could be the equation for the line of best fit for the given set of data?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Simplify the expression. -2/5(10+15m-20n)

Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?