Which of the following is the equation of a circle at the origin with the radius of one unit? PLEASE ANSWER ILL BRAINLIST YOU

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Which function has the domain x> -11