Luis simplificó la fracción 72/9 obteniendo como resultado 8/1. El número por el que simplificó Luis fue:?-/ Plsss ayudenme

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25