Are the ratios 15:12 and 6:4 equivalent?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

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.