Write an equations and solve. The bill for coffee selling for $7/1b was $42. How many pounds of coffee were
purchased?

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Need on this geometry question. explain how you did it.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.