Please help rhombi and square puzzle

the image of (6, 9) under a dilation is (4, 6). the scale factor is

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

answer:

125 yards

explanation:

75+50=125. that is my answer

what level of math? also i don't need to be paid if i can you.