David started his Star Wars card collection 20 years ago with 7 cards that he got from his dad. He bought 6 new cards each month for 20 years. Which of the following is the domain of the function representing the number of Star Wars cards in David's collection as a function of time?
10, 20
17, 120
0, 1447
O 17, 1447

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation:

your answer is  

a.

5

step-by-step explanation:

look in attachments

step-by-step explanation:

a = (-2, 0)

b= (-4, 0)

c = (-5,2)

d = (-1,2)

pi or 3.14159265359 is an irratinal decimal