Find the best approximation of the volume of the sphere.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

What is the answer to this problem? ignore the work. what is the correct answer?