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.
1 A hem might run $80 for a simple dress to $200 or more for a multi-layered dress. 2  Sleeve alterations usually run between$40 and $80, depending on how much decoration or beading is on the sleeves.  Leanna Studios offers a primer on alterations costs.