Which of the following shows the union of the sets?

{4, 8, 12, 16, 20, 24, 28} {2, 4, 6, 8, 10, 12}
{4, 8, 12}
{4, 8, 12, 16}
{6, 8, 10, 12}
{2, 4, 6, 8, 10, 12, 16, 20, 24, 28}

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Select the sequences that are geometric.

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?