A restaurant charges $3.00 for a refillable cup. Tha refills are complementary.
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Answer:
<h2>h = 15</h2>Step-by-step explanation:
The formula of an area of a parallelogram:
b - side
h - height
We have b₁ = 18 and h₁ 10 and b₂ = 12.
Substitute:
<em>divide both sides by 12</em>