With a sales tax rate of 7.25% a store in california priced a surfboard at $230 what is the total cost of the surfboard?

Select the quadratic that has root x = 8 and x = -5

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.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?