21 kids are in the band
30% of 70 = 21
Answer:
5x+3
Step-by-step explanation:

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Answer:
11
Step-by-step explanation:
Those are alternate exterior angles. IF the lines A and B are parallel, then those angles are equal. Set them equal to each other and solve for x:
5x + 9 = 6x - 2
Combine like terms:
11 = x