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Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.