What times what equals 2535

The table above shows approximate conversions from gallons to liters. what is the value of x?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}