the volume of a sphere can be solve using the following formula:
volume = 4/3 π r∧3
Given: r = 9yards
volume = 4/3 π r³
= 4/3 (3.14) 9³
= 4/3 (3.14) 729
= 4/3 (2289.06)
=9156.24/3
= 3052.08 yard³
=3,052.1 yard³
the volume of a sphere with radius 9 yd then is letter B. 3,052.1 yard³