PLEASE THESE ARE FINALS

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Multiplying an even number of negative numbers gives an answer that is choose from:

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2