6n - 10 = 4n + 6 what's the value of n in this equation

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

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?

Which geometric principle is used to justify the construction below?