Which expression has an equivalent value to x^2 + 9x +8 for all values ofx? O (x+ 1)(x+8)
O (x+2)( x+6)
O (x+ x4)(x+ 4)
O (x+5)(X + 4)

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