Answer:
A
Step-by-step explanation:
Luis because the sample is taken from the population of all seventh graders.
Answer:
1.125
Step-by-step explanation:
Answer:
Copper is being reduced
Step-by-step explanation:
Since the charge of the copper ion went down (2+ --> 0), we can say that Copper is being reduced. An atom is reduced when electrons are added.
Answer:
infinity and positive infinity are the same
Answer:0.2
Step-by-step explanation: