Answer:
Identity property of addition.
Step-by-step explanation:
The identity property of addition says that the sum of 0 and any number is that number. So 99.78 + 0 = 99.78 is identity property of addition. This is true because the definition of 0 is "no quantity", so when we add 0, the number doesn't change.
Answer:
31+14
Step-by-step explanation:
more than always indicates "+"
so it becomes
31+14
Answer:
15 + 4i
Step-by-step explanation:
<em>I hope I helped you, let me know later if the answer I gave you was right :)</em>
Answer:
4
Step-by-step explanation:
it takes four equations
