The word that best describes the idea that Mariah is skilled at conveying her words is, eloquent
Answer: A. Classes designed for youth would foster appropriate fitness habits and enthusiasm for the gym programs.
Explanation: A claim is a statement that asserts something as it is true. When making a claim in order to persuade an audience, we need to make sure that we have a strong argument that can be supported by evidence such as examples or statistics. If you are going to propose to a local gym that it offer specific fitness classes for teenage members, an effective claim would be that "Classes designed for youth would foster appropriate fitness habits and enthusiasm for the gym programs" because it is emphasizing in the benefits of implementing those classes.
The type of punctuation that signal the reader that the information is a direct quotation is QUOTATION MARKS.
In English language, quotation marks are normally used to indicate that a particular set of words have been lifted from another source, word for word. This is usually done when a writer does not want to alter a particular sentence that is found at a source. The quotation marks show that the quoted words are original words of another writer.