Which set of ordered pairs represents a function? {(5, -8), (8,-1), (8,7), (-4,2)}

{(-9,-9), (7, -9), (-7, -7), (9,-8)}

{(4,7), (-7,-4), (6,8), (-7,6)}

{(0,8), (-7,2), (4, -9), (4, -3)}

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4