Identify which of the sequences below is a geometric sequence.
a.
1, 3, 5, 7, –9, …
b.
2, 4, –6, 8, 10, …
c.
2, 5, 7, 10, 12, …
d.
3, 6, 12, 24, 48, …

It costs 4.25 for 1 pound of roast beef. how much will it cost to purchase 2.5 pounds of roast beef? round to nearest cent

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.