Solve z=5/(6v)+1 for v

Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)

What is the equation of the parabola with focus (-1,-1) and directrix y=1?

The triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?