What is (2+4i)(-3-3i)

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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?