A rectangular swimming pool is twice as long as it is wide. a small concrete sidewalk surrounds the pool. the sidewalk is a constant 2 feet wide. the total area of the pool and sidewalk is 160 square feet . find the dimension of the pool.

What is the rotational symmetry of a wheel

If 20% of a number is 35, what is 50% of that number?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.