The area of quadrilateral ABCD with coordinates A = (0,1) B = (2,4) C= (6,0) D = (4,-3) is square units. Round to the nearest whole number.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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?