Yes.
Yes, "younger-looking" should have a hyphen when used as a compound adjective before a noun. The hyphen clarifies that "younger" modifies "looking" as a single idea describing the noun that follows. For example, you would write "She has a younger-looking appearance."
Yes. There should be a hyphen between 72 and hour. The adjective 72-hour modifies the noun hold.
Yes, you should use a hyphen in "district-wide" when it functions as a compound adjective before a noun, such as in "district-wide policies." However, if it comes after the noun, you typically do not use a hyphen, as in "the policies are district wide."
No, a capital letter is not used after a hyphen unless it falls at the beginning of a sentence or is part of a proper noun. The word after the hyphen should be lowercase unless it is a proper noun.
The word "hyphen" is a noun. It refers to a punctuation mark (-) used to join words or parts of words together.
Yes, "year-end" should have a hyphen when used as an adjective, such as in "year-end report." However, when used as a noun, it can be written as "year end" without a hyphen. The hyphen helps clarify that the two words function together as a single descriptive term.
No, decision making does not have a hyphen. It is considered a compound noun that is used without a hyphen.
The term "far-reaching" should be hyphenated when used as a compound adjective before a noun, such as "far-reaching implications." The hyphen helps clarify that the two words work together to modify the noun. However, if used after the noun, it generally does not require a hyphen, as in "The implications are far reaching."
Yes, "people-oriented" should be hyphenated when used as a compound adjective before a noun, such as in "a people-oriented approach." The hyphen helps clarify that the two words function together as a single descriptor. However, when used after a noun, it typically appears without a hyphen, as in "This approach is people oriented."
Yes, in this case "seventh-grade class" should have a hyphen to show that the words "seventh" and "grade" are functioning as a single adjective modifying the noun "class."
The term "star-shaped" does have a hyphen when used as a compound adjective before a noun, such as in "star-shaped object." However, when used after a noun, the hyphen is typically omitted, as in "The object is star shaped."
Yes, you should use a hyphen in "90-day" when it is used as a compound adjective before a noun, such as in "90-day warranty." However, if it is used as a predicate or after the noun, you would not hyphenate it, as in "The warranty lasts 90 days."