The number of goldfish in a tank is 19, and the volume of the tank is 52 cubic feet. what is the density of the tank?

0.22 goldfish per cubic foot
0.27 goldfish per cubic foot
0.33 goldfish per cubic foot
0.37 goldfish per cubic foot

What is the value of x when x + 7 = 21?

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

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?