3x + y = 7
7 = 5x - 2y
THEN 3x + y = 5x - 2y ... it's like you're taking out the middle man "7"
Answer:
Supplementary Angles
Adjacent Angles
Step-by-step explanation:
Angles 1 and 2 share a vertex and form a straight line. These angles are called supplementary angles. They add to 180 degrees and form a straight line. They are adjacent as well because they share a vertex and side.
21,250 - 20,000 = 1,250
1,250 is the elevation at witch the plane took of.
