Awater tank can be filled in 5 minutes and emptied in 8 minutes. if the drain is accidentally left open when the tank is being filled how log does it take to fill the tank

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

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.

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52