1what values of x are solutions for r + 2x = 8 ?

Mary had at least an 80% on her test write an inequality to represent this situation

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .