21. The graph shows the distance Julie walls ousty time. Does she walk at a constant or variable
speed? How fast is Julie walking?
3
s
Distance (mi)
4 3 2
1
2 3
Time (h)
a. vanable speed, 8 mih
b. constant speed: 4 mvh
c. constant speed: 2 mvh
d. constant speed: 8 muh

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

How do you find the circumfrance of a circle?

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