Polyhedron, by definition, is formed by intersecting planes, so each part of its surface is either a vertex or an edge, or a flat piece of a plane.
Explanation:
The definition of polyhedron implies that each side is a piece of a flat surface.
Answer:
(x, x2 − 3x − 28) for all real numbers
Step-by-step explanation:
Answer: $16
with the base being $6, you can write the equation 6 + .5x = y
“x” is represented by the number of songs downloaded, so we can replace x with 20
y is the total amount of money
6 + .5(20) = y
now, all you have to do is solve
6 + 10 = y
16 = y
