400 m in 32 s - runners speed

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Find the domain of the following expression: 1/(√x)-2

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142