Describe how to calculate each of the measures of central tendencies: mean, median, and mode. Be sure to include one description for each.

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)

Determine the relationship of ab and cd given the following points

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.