Which of the binomials below is a factor of this trinomial?

x2 - 9x + 18

a. x + 3
b. x - 3
c. x - 2
d. x + 2

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The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?