Solving multi-step equations

8- 5y = -3y - 31

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Me asap! what is the slope of this line? enter your answer in the box.