Determine if the lines are parallel, perpendicular, or neither 10x+5y=-5 and y=-2x+6

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

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.

Which graph represents the function g(x) = |x + 4| + 2?