Write the recursive formula and the explicit formula for the sequence {-15,-7,1,9, }. show all work.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

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

8.74 rounded to the nearest whole number