Answer:
Step-by-step explanation:
3 People on right + 4 people on the left = 7 people + himself = 8 people in the group
30/5 is 6, so c/3 is 6, and c is 6x3, so c is 18.
Answer:
The completed reaction is
CaCO3 + 2 HCl → (Ca+2 + 2 Cl-)aq + H2O + CO2↑
Answer:
Yes
Step-by-step explanation:
Since we are adding two polynomials
The sum will also be polynomial