The scatter plot shows the average monthly temperature, x, and a family's monthly heating cost, y, for 23 different months. (a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit.
(b) Using your equation from part (a), predict the monthly heating cost for a month with an average temperature of 35°F.

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?

Which table represents points on the graph of h(x) = 3√-x+2?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.