Natalie has 28 erasers. she divided some of her erasers equally among 3 friends. natalie has 10 erasers left. how many erasers did each friend get

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

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.

Which of the following is true for the relation f(x)=2x^2+1