If the measure of Ð RST is 134 º , find the measure of Ð QST

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Solve the equation by completing the square. x^2+2x=17

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?