Answer:
Option b
Step-by-step explanation:
- Calcium has atomic no-20
- Hence it has 20 protons
- Silicon has atomic no 14
- Hence it has 14protons
Total:-

Yes, Todd is correct.
y= 2x+2
(1,4)
1=x, 4=y
Plug the numbers in:
4= 2(1)+2
4= 2+2
4=4
X+x+1=2x+1= even number +1=odd number