Dotty and lionel are making a graph comparing a car's age with its gas mileage. dotty says the graph should show discrete points because the car's age is stated in whole numbers of years. lionel says they should make a continuous line because age increases gradually, like time. which student do you agree with and why?

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?

Solve the system of equations. y=3x-1 and y=-2x+9. show work

The length of a rectangle is 5 times the width. if the perimeter is to be greater than 36 meters. what are the possible values for the width?