Please help I will brainliest and tell you me how you go it, not just the answer please!❤️

True or false? a triangle can be circumscribed about a given circle

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)

What is the value of x? enter your answer in the box. photo attached.