The passive voice of the sentences will be:
- The dog that comes every night is fed by Mary.
- Iceland's waterfalls are said to be wonderful by people.
- The latest trends in technology are being followed young people.
<h3>What is a passive voice?</h3>
It should be noted that a passive voice simply means a form of verb where the subject undergoes the action of the verb.
In this case, the passive voice is used to emphasize the action. In order to identify the passive voice, one should look at what happened and who was responsible.
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1. She could get 9 envelopes for 4 dollars each (or the other way around)
2. She could get 12 envelopes for 3 dollars each (or the other way around)
3. She could get 18 envelopes for 2 dollars each (or the other way around)
I can’t answer it doesn’t have enough information
Associate property of multiplication