What expression could describe the number of squares in the next figure in the pattern. figure 1.. is 2 square figure 2.. is 5 square figure 3 is 8 square. what is figure 4?

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