The line AB is shown on the gird. Find the gradient of a line perpendicular to AB. Find the equation of the line perpendicular to AB and passing through the midpoint of AB.

If you answer 2+2 you will get over 80 points

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

30 points! here is a you are the new manager at trusty goods wholesale produce. you need to figure out how to adjust the amount of produce in your notes after the events of the day: you got 5 more crates of bananas someone returned 2 crates of apples a worker dropped a crate of grapes (oh no! , you had to throw them out) you sold a crate of bananas you sold 5 crates of apples can you write an expression to describe your day using: "a" for crates of apples "b" for crates of bananas and "g" for crates of grapes? make sure the expression is in simplest form question 2 (3 points) explain your steps using sentences.