Which expression is the same as 8 ones and 72 thousandths?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm