Which solid has one rectangular base and four lateral faces in the shape of triangles? rectangular prism
rectangular pyramid
square pyramid
triangular prism

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

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

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?