Factor this expression. 3x2 - 15x
A. 3x(x2 – 5)
B. 3(x - 5)
C. 3x(x - 5)
D. 3(x2 - 5)

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?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

What is the value of the discrimination for the quadratic equation 0=×2+2+×2