the sides of a square each have a length of 11x inches write an expression for the perimeter of the square in inches

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.

You are studying for your final exam of the semester. up to this point, you received 3 exam scores of 67%, 68%, and 78%. to receive a grade of c in the class, you must have an average exam score between 70% and 79% for all 4 exams including the final.