Initially, a tank contains 10 pounds of salt in 80 gallons of water. Such a tank has pure water flowing into it at a rate of 5 gallons per minute. The contents of the tank are kept thoroughly mixed and flow out at a rate of 3 gallons per minute.
What is the amount of salt at any instant?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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?