What product is missing from the grid 4 6 9 14 39

Astudent who takes a multiple-choice test by reading the stem of each item, generating the correct response before looking at the choices, and then chooses the response closes to the answer is using a. a heuristic b. an algorithm c. vicarious problem-solving d. means-end analysis

Which group’s rights—human participants or nonhuman animals—are the most important to protect? why? not really a right or wrong answer, but give a detailed explanation

Ineed an answer for this one (number 8)