I need help with this!!

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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.