18 years ago ivan was 3 times older than his son but now he is only 2 times older. how old is ivan?

If eh = hg and hg=16, find the diameter of k

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4

Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b