A family spent $93 at a carnival. *they spent $18 on tickets and $30 on food. they spent the rest of the money on games.

which equation can be used to to find "g", the amount of money used on games.

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.

4+(2+x) can you me solve this problem

I’m really confused and need your assist me with this question i’ve never been taught