What is coefficient number?​

Which number line represents the solution set for the inequality -1/2x> 24?

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

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.