Which of the following expressions are equivalent to polynomial: ((6x9°) (7xy?)) – ((92'y?). (3xy')) + (8xy?)??
Select all that apply.
15x^ y11 + 8xPy4
-15x^y11 + 64x²2y4
42x^y11 – 27x^y11 + 642y4
15x^y11 + 64x²y4
42vyº – 27x^;? + 64x22y4

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel