Easy math if you can answer ill give brainlest

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)