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.
Best Answer: The national average price for carpet cleaning is about 22 cents per square foot. That usually means each room is about $30 - $40 to clean. The following is the cost of cleaning 3 bedrooms and a hall from three different carpet cleaning companies (Estimates were calculated on their websites). Stanley Steemer = $138. Chem Dry = $140.