This Venn Diagram represents the Science subjects studied by students. Students
Biology
Physics
7
2
5
6
4
8
6
Chemistry
What is the probability that a student, chosen at random,
studies Physics or Chemistry or both?

Which best explains why this triangle is or is not a right triangle?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.