Which of the following sets of ordered pairs does represent as a function of x? a) {(4,2), (3,-5), (5,-5), (1,10)}

b) {(-1,2), (3,5), (5,5), (-1,5)}

c) {(1,2), (3,5), (5,7), (3,10)}

d) {(1,1), (3,1), (5,1), (5,11)}

Ascale drawing of a lake has a scale of 1 cm to 80 m. if the actual width of the lake is 1000 m what is the width of the lake on the scale drawing

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.