The table shows Mr. Blackwell's total earnings as a car salesman for different sale amounts.

Graph the points on the coordinate plane and connect them with a straight line.

Write an equation in slope-intercept form to represent the relationship.

Jaque has 20 postcards in her collection. Each time she goes on vacation she buys 8 postcards to add to the collection. The total number of postcards y can be represented by the equation \(\text{y} = 8\text{x} + 20\). Complete the following statements regarding the line.

The slope of the line is _____ and the y-intercept is _____. The _____ represents the number of postcards when she began collecting and the _____ represents the number of postcards added each vacation.

\(10\text{c} + 4\text{d} = 40\)

\(-5\text{d} = 2\text{c} + 10\)

\(-4\text{c} - 6\text{d} = 24\)