Short answers if possible...

Q #1: what is the network address if one of the addresses is 178.200.115.82/25 ? [3 points] Q #2: what is the subnetwork address if the destination address is 201.30.32.16 and the subnet mask is 255.255.252.0? [3 points] Q #3: Which of the following IP addresses can be the beginning address of a block that contains 16 addresses? 205.16.37.32: [4 points] 190.16.42.44 17.17.33.80: 123.45.24.52