No, it is not imagery.
Imagery would tell you how he looks specifically, these are all general observations. You cannot imagine him in a detailed manner with this info. Is he blond? Is he a brunette? Does he have pale skin? If we can't make an image in our mind, then it's not imagery. Imagery consists of SPECIFIC details. For example, imagery would be, "His eyes were a crystal blue, as if they were made of water. It seemed like you could jump right into them and swim for hours."
Economical. This has the most positive connotation out of all of the options listed here.
"Inferior" implies that the quality is lesser than other potential materials that could have been used.
"Second-rate" and "Sub-standard" also imply the same message.
"Economical" has the most positive connotation, because it implies that the materials are monetarily cheap but does not really imply anything about the QUALITY of the cheap material.
- Affect is what something can do to something else
- Effect is the result of a cause
That would be an exclamation mark.
Interjections express emotion....eww ! , yuck !, wow !, good grief !