or 
At the point/angle E:
- the adjacent side(side <u>next to</u> the point/angle) is ED
- the opposite side(side of the triangle <u>across</u> from the point/angle) is DF
- the hypotenuse (the<u> longest side</u> of the triangle) is EF.
sin ∠E = 
sin ∠E =
(simplified)
+16 will give the volume
2x2=4
4x4=16
28 is the coefficient of x and 35 is the constant
Cmcnxncnxbznxnbcvxnxnxmxncbc
This is the correct answer