Guys pls help me TvvT I'm in 10 grade

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

`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. ''.

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.