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.
Average Dry Cleaning Prices. On average, dry cleaning can cost anywhere from $1 to $5 per shirt and up. In most cases, this will depend on where the dry cleaners is located, if they are busy with other orders to fulfill and if they iron your apparel in addition to cleaning them. Some may also charge less depending on the number of items that you are having cleaned.