How to find the opposite and the reciprocal of the number 500

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

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 %