If the angle is preserved, which describes the effect of moving the plane closer to the cone’s vertex? Check all that apply. a. The major axis of the ellipse will get shorter. b. The ellipse will become a circle. c. The ellipse will degenerate to a point. d. The plane starts to pass through both nappes of the cone. e. The generator of the cone will lie on the plane.

What statement is true? 2x^2-9x+2=-1

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap