The equation of a circle is given.
x2 + y2 - 4x - 6
- 12 = 0
what is the radius of the circle?

Geometry? i am really bad at math and have dyscalcullia. .

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

Which expression is equivalent to sq-80