- Multiply 4 by 9 then subtract 7?

Discover Questions

If a town is perfectly square and has a "circumference" of 21,120 feet, how many acres are within the town? Find all roots of x^4-3x^3-x^2+13x-10 if 2-i is a root.? If you have a cookie and divide it zero times, how much of the cookie do you have left? It's should be one piece, but 1/0=undefined.? Focus (4,3)
directrix y= -1 focus (5,0)
directrix x= -5 Can someone please make an equation for each of these as a parabola? Problem in3d math?