Find the slope of a line parallel to each given line y = -5/3x

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Find the distance between the pair of points a(-1,8) and b(-8,4)