Aubrey has 9 buttons. She gives away b buttons. Write an expression that shows the number of buttons Aubrey has left.

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

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