What plus 45 equals 225?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)