FOR 50 PTS PLZ HELP Write the equation of a parabola with focus (−2,4) and directrix = 6. Show your work, including a sketch.

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.