Answer
The bolded word is an compound adjective, a compound adjective is a adjective which contains two or more words joined by an hyphen.
Step-by-step explanation:
Answer:
Answer: 25, 31 and 37
(2n-1)= 19, 21, 23, 25, 27, 29, 31, 33, 35, 37
(3n+1)= 19, 22, 25, 28, 31, 34, 37,
