Write an equation of a line in point-slope form that passes through the point (-2,4) and is perpendicular to the line y = -2x - 4. A. y - 2 = 2 (x – 4)
B. y+2 = ] ( 2 – 4)
C. y - 4= 2 (2+2)
D. y– 4= } (x+2)

yes

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

no because mercury has a density of 13.6 grams per centimeter squared while gold has 19.32 grams centimeter squared

step-by-step explanation:

step-by-step explanation: