What Did The Wall Say To The Bookcase?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

What is the equation for the line that passes through the points (-6,4) and (-2,9) answer in point slope form

The result of which expression will best estimate the actual product of (-4/5) x (3/5) x (-6/7) x (5/6) (i need an expression not an answer)