Please help asap what is 1+1

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities