La fachada de un edificio tiene forma de rectángulo, de altura 18,5 m y de anchura 9 m, se quiere pintar costando 29,45 euros el m2. Se ha de tener en cuenta que hay 16 ventanas de 1,4 m por 1.15 m. ¿Cuál es la superficie total que hay que pintar? ¿Cuánto costará?

What is the value of x in the following equation? -3x-2=2x+8

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.

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?