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Nataliya [291]
4 years ago
6

Can someone help me work out these please thanks x

Mathematics
1 answer:
sveticcg [70]4 years ago
6 0
8) 30
9)50
10)
11) 12
12)
13)n^2+3
14) y=-3
15)8.17
16)x^2 -7x+12
17)
18) -4
19)
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