It’s D that is the answer
the answer to this question would be 12
Answer:
C
Step-by-step explanation:
Given the tables of H(t) an r(t), we want to find:

As stated, this is equivalent to:

Using the r(t) table, we can determine that:

Therefore:

And by using the H(t) table, we can determine that:

So, our answer is C.
Potential energy, though this seems like a question for the science section unless I'm missing something.
Answer:
84cm^2
Step-By-Step Explanation:
Two triangles' area: 4×3÷2x2 = 12cm^2
The widest rectangle's area: 5×6 = 30cm^2
The rectangle facing the left's area: 4×6 = 24cm^2
The rectangle facing the ground's area: 3×6 = 18cm^2
Total Surface Area: 12+30+24+18 = 84cm^2
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