What is the additive inverse of the complex number -12 +4i?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose