S is a subset within a universal set, U.

If S = {x, y, 4, 9, ?}, which could describe U?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2