Find all missing angles in the diagram below
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Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

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.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?