Ahouse-painting company charges $376 plus $12 per hour. another painting company charges $280 plus $15 per hour. what will the cost be?

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