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Which expression is the factored form of
2-7x+102
(x+3)(x+4)
(1-3)(1-4)
(x-2)(-5)
(11 + 2)(x + 5)

Anyone know? will mark brainliest if correct

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.