What is the domain of the function graphed below in interval notation?

Which of the following expressions are equivalent ?

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

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.