Answer:
x = -2
Step-by-step explanation:

48 feet
Divide 858 by 18 to get 47.6 > simplify > 48 feet
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Answer:
18.
a) 6k + 2y
b) 2x^2 + 2x
c) 16h
19. 4.5 cm
20.
a) x > 4.5
b) x >= 32
Step-by-step explanation: