Find the slope for line with the two points (4,-5) and (3,7)

Really need on these. i have no idea what to do

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.