6. The Hidden Valley Cross Country Track Team is participating in a 3-day walk-
a-thon to raise money for their favorite
charity. They are asking each donor to
pledge $18 for every 6 miles they walk.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left