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Which of the following are accepted without proof in a logical system? check all that apply.

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b