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natulia [17]
3 years ago
11

Help please will give brainliest

Mathematics
2 answers:
Rom4ik [11]3 years ago
6 0
Number 18

C=16h
.............
Ne4ueva [31]3 years ago
3 0

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:

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