What is 20•20 in the multiplication table

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.

Which graph represents the solution of the inequality?

Solve 2x+y=3 x+y=5 in substitution method