Which of the following is a solution of x^2 - 2x = -8?

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?

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20