What is the measure of x.

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

What is 140% of 25? because i need

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