Answer:
Measure of the other angle is equal to
°.
Step-by-step explanation:
An angle is formed by two rays or lines or line segments that share the same vertex.
Two angles are said to be complementary if their sum is
°.
Measure of one angle is equal to
°.
Let measure of another angle be 
Therefore,

°
So, measure of the other angle is equal to
°.
Answer:
21÷-3=-7
I dont know what all those extra boxes are for but I hope I helped a little
Answer:
x=4
Step-by-step explanation:
For lines to be parallel, their slopes have to be the SAME.
x = -2 This is a vertical line (For the points on this line, x will always be -2, and y can be any number)
Since this is a vertical line, the parallel line has to also be vertical.
x = -5 (for the points on this line, x will always be -5, and y can be any #)