How do i approximate an irrational number to the nearest hundredth without using a calculator?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer