What is the x intercept on this graph?

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.

Will give brainliest summations with algebraic expressions image shown

The system of equations graphed below has how many solutions? y = 2x + 2