If wxyz is a square, which statements must be true? check all that apply.

a. wx is perpendicular to xy.
b. w is congruent to x.
c. w is supplementary to x.
d. wxyz is a rhombus.
e. wxyz is a trapezoid.
f. wx is parallel to yz.

How do you solving the solution of each system using elimination?

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.

Which of the symbols correctly relates the two numbers ?