Please show work

1. What valid host range is the IP address 192.168.221.30/26 a part of? 2. How many subnets and hosts per subnet can you get from the network 192.168.222.0 255.255.255.248? 3. You are designing a subnet mask for the 192.168.62.0 network. You want 20 subnets with up to 4 hosts on each subnet. What subnet mask should you use? 4. What is the broadcast address of the network 172.26.184.192/28? 5. What is the broadcast address of the network 192.168.14.36 255.255.255.252