Answer:
C.
Step-by-step explanation:
A - Perpendicular lines always touch each other at least once.
B - Parallel lines never touch.
D- Not always true.
C is true. If they are not in the same plane they are skewed lines.
Archeologists are the ones that study archeology.
archeology is a study, an archeologist is a description of a person . they are alike becausethey are alike because they consist of architecture,biofacts, artifacts, etc
Answer:
A pair of vertically opposite angles are always equal to each other.
Answer:3
Step-by-step explanation:
23-8= 15
15/5=3
38= Sum
2= GCF of 18 and 20
