Explain how to find the reference for 1.406 degrees

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

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

Module 10 coordinate proof using slope and distance answers is quadrilateral abcd a parallelogram? explain how you know.