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 Professional hair and makeup typically costs $70-$150, depending on the stylist's rates and status. 2  Additional costs for prom attendees might include manicures, pedicures and tanning. 3  Renting a limousine for prom typically starts at $65-$100 per hour, or at least $400 for the evening. For example, the 2013 prom at Porter Ridge High School in North Carolina is being held in a nearby lodge and resort, and tickets cost $45-$65 each for seniors and $55-$75 for juniors, depending on the purchase date.