Derive the equation of the parabola with a focus at (−2, 4) and a directrix of y = 6. Put the equation in standard form. f(x) = one fourth x2 − x + 4
f(x) = − one fourth x2 − x + 4
f(x) = one fourth x2 − x + 5
f(x) = − one fourth x2 − x + 5

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?