Which statement is true?
13 25
28
O
21 4
45 g
>
12.
4 8
O 525

Plz me i need i will give a brain

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

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.