Find the domain and range of the graphed function

Use the distributive law to multiply. 3(4x + 5y + 6)

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

Factor the expression using the gcf. the expression 21m−49n factored using the gcf