It's the bottom one. 20 dollars has to be less than or equal to the amount. you cannot spend more than $20
Answer:
10 edges
Step-by-step explanation:
we know that
The Euler's formula state that: In a polyhedron, the number of vertices, minus the number of edges, plus the number of faces, is equal to two
in this problem we have
substitute the given values
solve for E
Combine like terms in the left side
subtract 12 both sides
Multiply by -1 both sides
A three digit number would be 294. You could do 200+90+4