Describe a real life multiplication situation for which an estimate makes sense

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

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.