Consider the following geometric sequence -5,10, -20,40 if the explicit formula for the sequence above is expresses in a form an=b x c^n-1 , determine the values of b and c

Which of the following best describes the delian problem?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?