Graph the line y=kx+1 if it is known that the point M belongs to it:
M(2, −7)

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

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

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.