NEED HELP!! Right triangle ABC with altitude BD is shown. Which of the following equations represents the geometric mean relationship for triangle ABC?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?