Help plz

1.) 120

Explanation:

1.) After one year the population of 30 dogs will double and become 60 dogs. And after two years the population will double from 60 dogs to 120 dogs.

the correct answers are: 1) lay and collect taxes and duties; 2) pay debts; 5) borrow money;   6) regulate commerce with foreign nations.

article 1, section 8. refers to the powers of congress. according to the united states constitution: “the congress shall have the power to lay and collect taxes, duties, imposts, and excises, to pay the debts and provide for the common defense and general welfare of the united states.”