On Juan’s shelf are the following books. 3 science books, 10 biography books, 10 mystery books. If Juan randomly picks one book to read, what is the probability that he selects a biography book? Give your answer as a reduced fraction.

3. solve by graphing: y = 2x + 6 x + y = -3

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

11 12 triangle abc is congruent to triangle fde, and both triangles have the same orientation, as shown. what is the slope of df, which is also the slope of ac?