A hiker climbs to an altitude 2,300 feet above sea level. A marine researcher dives to a depth of 125 feet below sea level. What is the difference in their elevations?
Write two equivalent expressions that represent the situation

(at least one expression should use subtraction).

DUE IN A FEW HOURS!!

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 ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?