In which pair of figures can Figure A be taken to Figure B by a rotatio

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

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

In the expansion of (2m-3n)^9 one of the terms contains m^3. determine the exponent of n in this term