What are the domain, range, and midline of the function f(x)=1/2cos(1/4x)-1?

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

Write a similarity statement for the similar triangles. afgh ~ a

7+(3n++8) what is the answer to this?