In the diagram below, the length of a square is (3x + 7) units. The dimensions of the cut-out rectangle
are x by (2x + 5) units. Which choice expresses the area of the
shaded region (green region), in square units?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Which expression is rational? 6. , square root two, square root 14, square root 49

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?