Precalc 1
Can someone please help me with these 3 questions
Will make you brainlist

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)

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

What is the upper quartile in the box plot?