What key feature of a sinusoidal graph determines the pitch of a sound wave? A) frequency

B) volume

C) amplitude

D) decibels

step-by-step explanation:

this is not a question

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of

answer: 0.26

i used the calculator on google

b. hannah is playing with her cousin at