You spend 30 minutes watching television. you then spend 3 hours doing homework. write the ratio of the amount of time spent watching television to the amount of time spent doing homework as a fraction in simplest form.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

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.