2 / 3 ( y + 57 ) = 178
2( y + 57 ) / 3 = 178
2*y + 2 * 57 / 3 = 178
2y + 114 / 3 = 178
3*(2 y + 114 ) / 3 * ( 178)
2 y + 114 = 534
2y = 534 - 114
2 y = 420
y = 420 / 2
y = 210
hope this helps!
You and 6 of your friends. Total of 7 people.
The answer is D.) 7! ; 5,040
Volume of cylinder
πr^2h
π6^2x11=396π
Volume of sphere
4/3πr^3
4/3π6^3=288π
396π+288π=684π
=2148.849375