What is this type of equation and what is the answer?
43−+1

With number 11 ( show how you got the answer)

Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?