Answer:A line segment
Step-by-step explanation:
There are 45 numbers out of which 5 numbers are required to win an enormous sum of money
No of ways in which 5 numbers can be selected out of 45 numbers.

out of which there is only combination foe contest winning

When 100 different tickets are bought then
Probability of winning: 
Probably of winning≈0,000082
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P.S. Hello from Russia :^)
Answer:
2a
Step-by-step explanation:
We can combine like terms.
There are 2 'a' s in the expression, so we can rewrite a + a as 2a.