List the member of union of each pair set.

1 {a, b,c, d}

`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. ''.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Select quivalent or not equivalent to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column.