Evaluate the expression. {[(30−60)÷(−30)]2−15}÷(−7)

What is the value of the expression?

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Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Find the equation using the point (4,8)

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.