6. Which of the following transformations does not preserve congruence?
F. (x, y) → (-x, -y)
G. (x, y) → (-y, -x)
H. (x, y) = (x + 9, y + 9)
J. (x, y) → (9x, 9y)

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

27 is what percent of 108? 27 is % of 108

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.