I have work for a company since they open, now that business is booming can my employer cut my pay and hour and for family

It all depends on the circumstances surrounding your employment. If you are an 'at will' employee your employer can generally fire you, decrease your hours, or eliminate benefits at will, hence the term "at will employee." If you signed an employment agreement stating otherwise, then you might have protectable rights. Unfortunately, even if you have protectable rights, you could end up in a lengthy and costly contract dispute in court trying to assert them.

As always, it is always important to consult with an attorney before relying on any information obtained online. This answer is only meant to provide general information as a service to the public and is in no way meant to create an attorney-client relationship.