Two lines are perpendicular.
line 1 passes through (-2, -3) and (2, -3).
line 2 contains the point (-2,3).
write the equations of the lines.

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Average acceleration: i have no idea how to do this.