Simplify this algebraic expression completely.
8y- 2(y+ 4)
оа. бу - 8
ов. бу + 4
ос. бу - 4
od. бу + 2

Which of the following tables represents exponential functions?

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)