Combined the like terms to create an equivalent expression 5t+10-4-t

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

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2