3. OLYMPICS Four runners are entered in the first hurdles heat of twelve heats at the
Olympics. The first two move on to the next round. Assuming no ties, how many
different ways can the four runners come in first and second place?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

What is the measure of angle tvu shown in the diagram below

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality