i need the standard form of seventy billion nine hundred milion sixty Thousand seven thousebth eight hundred ninty nine and one three

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?

Write the factored form of this trinomial 9x^2+18x-7