PLEASE HELP ME ANSWER THIS!!
2 [(12 + 2x) + (15 + 2x)]= 74.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=