1. Write an equation of the line in standard form given the slope through the given point: Slope = 4, (-2, -5)

2. Write an equation of the line in point-slope form through each pair of points:
(9, 5) and (8, 2)

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )