Answer:

Step-by-step explanation:
From the question we are told that
Number of runners 
Distance 
Generally the top three places can be determined mathematically as


therefore the top three can be determined in 336ways
Answer:
3 is the slope
Step-by-step explanation:
Answer:
A,B,C
Step-by-step explanation:
in these quadrilaterals, the diagonals bisect each other paralellogram, rectangle, rhombus, square
in these quadrilaterals, the diagonals are congruent rectangle, square, isosceles trapezoid
in these quadrilaterals, each of the diagonals bisects a pair of opposite angles rhombus, square