Answer:
B 4L- 12
D 2(L -6) + 2L
Explanation:
Perimeter is 2w + 2l, width is 6 less that length, so substitute it for w:
2w + 2l =
2(L - 6) + 2l =
2l - 12 + 2l =
2l + 2l - 12 =
4L - 12
The answer is b and d
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