y = a + bx. where y is the dependent variable and x is the independent variable. In this case, the slope is equal to b and a is the intercept. When plotted on a graph, y is determined by the value of x. Regression equations are charted as a line and are important in calculating economic data and stock prices.
I just took a prom dress to be dry cleaned and they are charging $25.00.
Depending on the size of your home, most carpet cleaning services charge based on the square footage of your home. Between $80 and $130 for a home with 200 to 400 sq. ft. 1000 to 1500 sq. ft. might cost between $200 and $300. 2000 to 3000 sq. ft. might be estimated at $400 to $550.