Decide whether or not each equation represents a proportional relationship. Answer each question with yes or no. 1. Volume measured in cups (c) vs. the same volume measured in ounces (z): c=18z

2. Area of a square (A) vs. the side length of the square (s): A = s2

3. Perimeter of an equilateral triangle (P) vs. the side length of the triangle (s): 3s=P

4. Length (L) vs. width (w) for a rectangle whose area is 60 square units: L=60w

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.

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is there a question here?

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when the daily mileage is greater than 40 miles, unlimited mileage plan will save you money. 40 miles is the break-even point.

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