What is the length of the chord that connects the endpoints of two perpendicular radii of a circle with a diameter of 12 inches?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$