How can you show your work for 45×31

How do i do this activity, is appreciated

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.

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5