Which of the following are equivalent forms of the equation y=-5/9x+2/3?

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?