[25 - (13+4) ∙ | 7-10|]2 ÷ (-6)

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14