The surface area of a triangular pyramid is 1836 ft2.
if all the faces of the pyramid are congruent, what is the area of one face of this pyramid?
a.
306 ft2
b.
459 ft2
c.
612 ft2
d.
5508 ft2

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

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