Consider the quadratic equation-x2 -6x + 6 = 0
Complete the equivalent equation -(x+ __ )2 = ___

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

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

How to do this , and can some one explain