HELP STAT PLEASE BrAINLIST I SWEAR Which one of these graphs (elk or elephant) shows a proportional relationship? How do you know?

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)

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?