If ∠3 measures (3x + 20)°, and ∠4 measures 70°, which equation could be used to solve for x?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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.

Which of the following describes the symmetry of the graph of y = x3?