Landlord Tenant

Will Tenant A receive their security deposit back from Landlord A?
Tenant A fulfilled the terms of the lease agreement with Landlord A. Tenant A gave Landlord A 30 days notice, kept the property in excellent condition, returned the keys and left a forwarding address. Tenant A is expecting the security deposit to be refunded, but Landlord A has not refunded the security deposit nor discussed it with Tenant A. Will Tenant A receive the refunded security deposit and when?
Can a tenant withhold rent for unmade repairs by the landlord?
Tenant has several needed repairs in apartment. Landlord has been made aware of the problems, but has not made any of the requested repairs. Tenant is very frustrated and decides to withhold rent until the repairs are made. Can Tenant withhold rent for repairs that Landlord has not made?
What should a landlord do after a tenant vacates for non-payment of rent?
Tenant A is behind in rent payments and has received a Notice to Pay Rent or Quit from Landlord A. Tenant A does not have the funds available and vacates the property. What should Landlord A do once the property is vacated?
Who is responsible for unpaid rent when a tenant moves out?
Landlord A leases an apartment to Tenant A and Tenant B. The rent is $800.00 and Tenant A and Tenant B agree that each of them will pay half ($400.00). The following month when rent is due, Tenant B pays $400.00, but Tenant A is unable to pay. Tenant A and Tenant B have a fight and Tenant A moves out leaving the total rent obligation unfulfilled. Who is responsible for paying the rent? What are Landlord A's options?
Can a landlord enter a tenant's apartment due to suspected illegal activity?
Landlord has noticed a lot of traffic coming in and out of Tenant's apartment. Landlord fears that Tenant may be involved in illegal activity. Can Landlord enter Tenant's apartment and look around?