Find the margin of error and 95% confidence interval for the survey result described. According to a poll of 915 people, about one-third (33%) of Americans keep a dog for protection. Margin of error = __% (Round to the nearest whole number as needed.)​

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Based on the figures as marked, /\rqs = —

What is the frequency of the sinusoidal graph?