Which binomial is a factor of 9x2 - 64

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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?