Which statements about quadrilaterals are true? choose all answers that are correct. a. a square is always also a parallelogram. b. a parallelogram is always also a rectangle. c. a rhombus is always also a trapezoid. d. a rectangle is always also a parallelogram.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

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