Write a rational number whose opposite and absolute value are the opposites. Plz I NEED DONE ASAP.

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Afigure is rotated 180°. if one of the points on the image is g'(4, -8), what were the coordinates of g? (8,4) (8,-4) (4,8) (4,8)

Acompany had forty one employees and ordered nine hundred eighty uniforms for them. if they wanted to give each employees the same number of uniforms, how many more uniforms should they order so they don't have any extra