Quadrilateral ABCD has endpoints A(2,1), B(5,4), C(-2,11), and D(-5,8). Does this quadrilateral have congruent diagonals? That is, is \overline{AC}=\overline{BD} AC = BD?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Solve the triangle. a = 21°, c = 105°, c = 5