A bricklayer is building a wall. Each layer of the wall has the same number of bricks.
The points on the following coordinate plane show how many bricks he used to make 2, 3, and 4 layers of the wall. How many bricks are used in 1 layer of the wall?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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.

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points