Euler's formula is given by:
C + V = A + 2
Where,
C: number of faces
V: number of vertices
A: number of edges.
Clearing A we have:
A = C + V-2
Substituting values:
A = 21 + 14-2
A = 33
Answer:
the missing number is:
C.33
Answer: y = 1.3x + 1.8
Step-by-step explanation: I used Desmos
Photomath is the best for fractions, decimals ect. You could also try a scientific calculator.
Answer:
D> y = (2/5)x - 2
Step-by-step explanation:
See attached