Answer:
I assume you're asking for the volume, which is 224
Step-by-step explanation:
4x7x8=224
Answer:

Step-by-step explanation:
<h3>
Answer: Choice C. (2x - 6i)(x + 3i)</h3>
Work Shown:
2x^2 + 18
2(x^2 + 9)
2(x - 3i)(x + 3i) .... see note below
(2x - 6i)(x + 3i)
Note: I used the rule that a^2 + b^2 = (a - bi)(a + bi). I recommend FOILing out the right hand side to confirm the equation is true. You'll use the idea that i^2 = -1.
Answer:
2x2x2x2x3
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
I have done this question before.