Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26. What is the solution set of this problem? a. (-00, - 21)
b. (-00, -21]
c. [-21, +00)
d. (21, +00)

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

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