Write the equation that represents a parabola with vertex (4,4) and directrix y=2?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

The triangles are similar. what is the value of x? enter your answer in the box.