Solve the equation and check the solution. A - 2 1/2 = 1 1/2

O a = 1

O a = 3 1/2

O a = 4

O a = 4 1/2

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

What is the upper quartile in the box plot?

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table