Distinguish the second expression from the first expression 1) 6a + 7b, 2a + 3b
2) 9a + 11 + 15c, 5a + 3b + 6c

Find the length of cu, the triangles are similar.

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

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