Select the expression that is equivalent to (x + 6)2.
a. x2 + 12x2 + 36
b. x2 + 6x + 36
c. 2x+ 12x + 12
d. x2 + 12x + 36

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

When turned about its axis of rotation, which shape could have created this three-dimensional object?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.