2. QM is congruent to QN
4, All right angles are congruent
5.QX is congruent to QX
6.SAS congruence
7.MX is congruent to NX
Your expression would be

because of the order of operations this expression is valid to the world problem
Answer:
36 feet
Explanation:
8 feet : 1 inch = 36 feet : 4.5 inches
13.80 x 2= 27.60
1 pizza equals 13.80 so two pizzas will be twice that money amount. Both pizzas will cost $27.60.
I hope this helped