What is -8.725 as a fraction?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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

Which of the following is not a subset of {1,2,3}?