Let l be a context-free language. prove that there exists an integer p 1, such that the following is true: for every string s in l with 1s2 p, there exists a string s in l such that sis1 s is+p.

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

In 1995 america online had about 3000000 users over the next decade users are expected to increase from a few million to the tens of millions suppose the number of users increased by 150% by the year 2000 how many users will there be in the year 2000