Which of the relations given by the following sets of ordered pairs is a function? {(5,4), (5,6), (5,8), (5,10), (5,12)}
{(5,2), (-4,2), (3,6), (0,4), (-1,2)}
{(-3,-2), (-2,-1), (0,-1), (0,1), (1,2)}
{(7,3), (-6,8), (-3,5), (0,-3), (7,11)}

The graph shows the rate at which paint is used to paint a wall.enter values to complete each statement below based on the graph.when 1 gallon of paint has been used, ( # ) square feet of the wall will be painted.the unit rate is ( # )square feet per gallon.

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Acircle has a circumference of 28.36 units what is the diameter of the circle