The diagonals of a rhombus are perpendicular.

a) always
b) sometimes < -- my answer
c) never

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?

The measure of angle 0 is 600 degrees

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?