Question

PLEASE HELP will fan and medal!!!!!!!

1.if A' is the image of A(3,4) after a dilation with scale factor 7 centered at the origin, what is the distance between A and A'?
7 units
28 units
30 units
35 units

2. A dilation maps HIJ onto H'I'J'. if HI=7cm, IJ=7cm, H'I' = 5.25 cm , I'J' = 5.25cm , and H'J' = 9cm then find HJ.
4.08 cm
6.75 cm
9 cm
12 cm

3. A segment has endpoints X(-6,2) and Y(-1,-3) if D 3/2 (XY) = (X'Y'), what are the coordinates of X' and Y'?
X'(-7.5,3.5) and Y'(-2.5,-5.5)
X'(-4.5,3.5) and Y'(0.5,-1.5)
X'(-3,1) and Y'(-0.5, -1.5)
X'(-9,3) and Y' (-1.5,-4.5)

Answer 1

i just figured out number 2 is 6.75 cm