Which polynomials are in standard form?

choose all answers that apply:

(choice a)

3z-1

(choice b)

2+4x-5x^2

(choice c)

-5p^5+2p^2-3p+1

(choice d)

none of the above

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

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.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30