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29 votes
29 votes
Help me with this please

Help me with this please-example-1
User Munch
by
2.6k points

1 Answer

20 votes
20 votes

Answer:

1) E

2) D

3) G

4) I

Explanation:

1)

P = 2(l + w)

P = 2(3a + 3 + 8a - 12)

P = 2(11a - 9)

P = 22a - 18

2)

P = 22a - 18

P = 22(3) - 18

P = 66 - 18

P = 48

3)

P = a + b + c

P = 3b + 7 + 7b - 2 + 7b - 2

P = 17b + 3

4)

P = 17b + 3

P = 17(6) + 3

P = 102 + 3

P = 105

User Alex Dzeiko
by
3.4k points