Phan fills the tank of her car with gasoline before starting her road trip. the table below shows the amount of gas left in her tank as she drives. number of hours vs. amount left in tank number of hours spent driving (h) 3 5 7 9 amount of gas left in tank, in gallons (g) 12 8 4 0 which equation models the amount of gas left in the car as phan drives, and how many gallons of gasoline does it take to fill her tank? g = 18 – 2h; 18 g = 18 – 2h; 16 g = 3h 3; 30 g = 3h 3; 12

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons