I need help thank you

Solve for the equation x. 2x + 22 = 4(x + 3)

You use technology ans find a sum of 6.712e-8. write this sum in standard form

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4