Plz help with the french indian questions

Which factors make up demographics? check all that apply. age o economies o ethnic groups o governments o income level o religious practices

Where did washington’s army spend a harsh and difficult winter in 1777–1778?

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.