The sum of 2 numbers is 20 and their difference is 6. What are the two numbers

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

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?