Which of the following has no solution? {x | x ≤ 1} and {x | x ≥ 1} {x | x < 1} and {x | x > 1} {x | x ≤ 1} or {x | x ≥ 1}

What is the rotational symmetry of a wheel

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.