$182 at 6% simple interest for 4 years.
Find the interest earned on the account

Need on this geometry question. explain how you did it.

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?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x