For all positive integers x ,what is the greatest common factor of the numbers 256x and 144x

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?