What is the probability o an event that is certain

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?