I need help with the ye old math

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

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?