What is the slope of the line?

For each proportion find the unknown number x 1/5/8=×/15

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?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.