Answer:
5
Step-by-step explanation:
Answer:

Step-by-step explanation:
The standard form of a complex number:


"Contains four right angles" is the one among the following choices given in the question that is <span>not a property of a parallelogram. Parallelograms can have angles that are not ninety degrees. The correct option among all the options that are given in the question is the second option or option "B". </span>
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3√10 + 7√15 - 6√10 - 4√15
Combine like-terms together
3√10 - 6√10 + 7√15 - 4√15
- 3√10 + 3√15
↑
Will be your final answer