Melissa is in the 7th grade. She wanted to know how after school activities done on the week before an exam affect the score of the exam. She asked all of her assmates to record their after school activities on the week
before a big exam. Later, she compared the records with the achieved scores of each student
What type of statistical study did Mellssa use?

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous

Which of the following transformations will always produce a congruent figure?