WILL GIVE BRAINLIEST ASAP!! 1. Determine the area and perimeter of the quadrilaterals below.

Part A:

Part B:

Part C:

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Ihave this math question 2/3 ÷2 1/10=

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

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?