I’m confused how do you right that in OZ someone please help I have to turn it in

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm