Li believes that the graph shows a direct variation. On a coordinate plane, a line goes through points (0, 1) and (2, 0).

Why is Li incorrect in saying that the graph shows a direct variation?
The graph does not have a constant rate of change.
When the x-value is 0, the y-value is 1.
The slope is negative.
The relationship is proportional.
Mark this and return

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

For the following equations, find the ratio of a to b. be sure to show all of your work. a. 3a = 6b b. 15a = 5b

Television viewing reached a new high when the global information and measurement company reported a mean daily viewing time of 8.35 hours per household. use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household. a. what is the probability that a household views television between 4 and 10 hours a day? (to 4 decimals) b. how many hours of television viewing must a household have in order to be in the top 7% of all television viewing household? (to 2 decimals) c. what is the probability that a household views television more than 4 hours a day? (to 4 decimals)