First four terms of the sequence represented by the expression n(n-1)-4

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

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.