What is the missing step in the given proof?

a. < pqc and b. for parallel lines cut by a transversal, corresponding angles are congruent, so
c. d. for parallel lines cut by a transversal, corresponding angles are congruent, so
e. for parallel lines cut by a transversal, corresponding angles are congruent, so

The missing step is A.

Step-by-step explanation:

There are several properties about parallel straight lines that you need to bear in mind:

The angles are congruent, in other words they are the same. Angles on top of the lines are equal. Similarly, angles beneath the lines are equal.

The angles form Z angles with the transverse line. These angles are equal as well.

These properties make parallel lines to produce equal angles. Hence the proof.

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

step-by-step explanation: