After one of them is chosen for 1st, there are only 9 choices for 2nd, and then there are only 8 choices for 3rd... and so on. There are 720 different ways to pick 1st, 2nd, and 3rd place from among 10 original students
Answer:
X...................
answer
c = 20.65 + 0.65M
Add
8
8 to both sides
1
3
x
≥
−
2
+
13x≥−32+8
2 Simplify
−32+8 to
4
−24
13x≥−24
3 Divide both sides by
13
x≥−
13
24