Select the source that would best support the following claim.

donating supplies to the dance is less expensive than a radio advertising campaign.

- an estimate of the cost of donating supplies
- a price sheet from the local radio station
- an article in the newspaper citing the worth of word-of-mouth advertising
- choice 1 and choice 2
- all of the above

Walking is not the most exciting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes walking a simple activity for those new to exercise. walking is less likely than other exercises to cause injury to leg tendons and muscles. all it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea of this paragraph. walking is a difficult and safe exercise for beginners. walking is an easy and safe exercise for beginners. walking is a boring and dangerous form of exercise. walking is an exciting and very effective form of exercise.