Marcus is picking songs to play during a slideshow. the songs are each
3
1
2
3
2
1

3, start fraction, 1, divided by, 2, end fraction minutes long. the slideshow is
31
1
2
31
2
1

31, start fraction, 1, divided by, 2, end fraction minutes long.

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.

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

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?