The circumference of an ellipse is approximated by C = 27n va2 + b2/2 where 2a and 2b are the lengths of the axes of the ellipse. Which equation is the result of solving the formula of the circumference for b?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x