I believe the answers are the following:
5. x = ±3.4641i
6. x = ±7
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Answer:

Step-by-step explanation:



Answer:
<h2>294mm²</h2>
Step-by-step explanation:
Surface Area = Sum of Area of all shapes.
There are 6 cubes which have a length of 7mm.
Area = L * L
Area = 7 * 7
Area = 49mm²
Surface Area = Area of 1 square * Number of Squares
Surface Area = 49 * 6
Surface Area = 294mm²
Answer:
225 in
Step-by-step explanation: