12. Name the plane in two different ways and

Ad

in

D

13. Are points E, B, D, and A coplanar?

H

B

14. Name two points (allinear with E:

G

and

P Р

C

15. Where does Plane P intersect AC

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Can someone me out here number 4 plz

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x