Given the relation {(8,2), (3,6), (7,5), (k,4)}, which value of k will result in the relation not being a function?

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false