Find the set of values of
x for which y is zero in
the equation y=(x+2) (x-2).

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota