FINALS IM ALMOST DONE I ONLY HAVE A FEW MINUTES THEN I HAVE TO DO A CONSTRUCTED RESPONSE

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

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?