RISKY RISKY WIGGY WIGGY THIS IS AN EMERGENCY 30 PT QUESTION (ITHINK) Determine the domain and range for the relation.

D{x ≤ 5}; R {all real numbers}
D{x ≤ 1}; R {-5 ≤ y ≤ 5}
D{all real numbers }; R {-5 ≤ y ≤5}
D{ x ≤ 1 }; R {all real numbers}

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.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Jim had 15 minutes to do 5 laps around his school what would his time be