Write a linear system to represent the situation below be sure to define your variable. The n out sells their duble duble burger for $3.50 each and fries for $1.50 each. ron got lunch for him and his freainds one day and bought 9 total items for $23.50 how many duble duble and how many fries did ron buy?
ASAP ASAP

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?