The answer is the first one “the diagonals are congruent
Volume of a cube = 4/3πr^3
r = d/2 = 30/2 = 15
Volume = 4/3π(15)^3 = 4500π in^3
The LCM of 24 and 40 is 120.
5x - 15 = 2x - 6
3x = 9
x = 3
Y = 5(3) - 15
Y = 0
(3,0)
Sorry but I’m lost what are you talking about