What statements are true at all squares the diagonals are perpendicular
the diagonals are congruent to each other
the diagonals bisect the vertex angles
the diagonals are congruent to the sides of the square
the diagonals are twice the length of side of squares

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?