If i were to rotate the figure 270 degrees anti clockwise which do i rotate it from 1, 2 or 3

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

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

What is the slope of the line that contains the points (-2,1) and (0,-3)