4* + 6* = 9x

What does that equal?​

Aline passes through 3,7 and 6,9 what equation represents the line

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)?

What is the answer to the question 5x+2x