Question

1. Choose the correct solution in roster form.

Answer 1

1.

8 is not a factor of 12.

Correct answer: B.{1, 2, 3, 4, 6, 12}

2.

5r + 8 < 63

5r < 55

r < 11

Answer: A.{r|r<11}

3.

A symbol is missing.

Are you looking for the complement of set P?

If so, answer is elements from the universal set not in set P.

Answer: C.{1, 3, 5, 7}

4.

Some symbols are missing, so I don't understand what the questions are.