Answer:
Frequency of soundwaves
Slower soundwave frequencies make lower pitched sounds, and faster soundwave frequencies make higher pitched sounds.
Answer:
Should be the last one, D, she should place her ring finger between the second and third fret of the B string.
Explanation:
The finger should be placed between the second and third fret of the B string, as stated in the question. Without the picture present, i can only assume that 3 inside the dot means your third finger, aka your ring finger.
Cant really read the writing, but Jenny's maiden name is whatever her last name was before she got married.