Both of them should be.
No, the word "fifteen" should not be capitalized in a date within a sentence unless it is the first word of the sentence.
The word enjoy should be capitalized o nly if it is used i n the begi n ni ng of the se nte nce but the New Year should always be capitalized. It should be- E njoy the New Year.
No it shouldn't be capitalized. Seasons aren't capitalized.
Yes. New Year should always be capitalized. It should be- As you prepare to e nter the New Year
Yes, "Junior Year" should be capitalized as it is a specific year of academic study in high school or college.
Licenses that last longer than a year should be capitalized. However, licenses that are paid for only a year do not have to be capitalized. The life is determined by usefulness.
Yes.
New and Year should be capitalized but resolution should not.
Yes. New Year should always be capitalized because it is a proper nou n.
Yes, "Junior" in "junior year of high school" should be capitalized when it is used as part of a proper noun or as a title. For example: "She is a Junior in junior year."
Yes it should be capitalized
New and Year should be capitalized but resolution should not.