A ladder reaches 6.8 metres up a vertical wall. The base of the ladder is on horizontal ground, 1.8 metres away from the bottom of the wall. How long is the ladder?​

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?