Agirl is snorkeling 1meter below sea level and then dives down another 0.5 meters. how far below sea level is the girl?

Can any one me with the answers to these questions asap?

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?