Answer:
A
Step-by-step explanation:
Answer:
x=-1
Step-by-step explanation:
Answer:
4/10
Step-by-step explanation:
1/10 + 3/10 = 4/10
<span>A = 2ab + 2ac + 2bc
A = 2b(a + c) + 2ac
2b(a + c) = A - 2ac
b = (A - 2ac) / [2(a + c)]</span>




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-Charlie