What is the slope of (-3,-1) (1,-13)

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.

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)