GUYS I NEEP HELP PLEASE ASAP

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

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83