A and D seem to be the only correct ones. Hope this helps
Answer:
The correct answer is 21.5
Step-by-step explanation:
Answer:
PEMDAS
Step-by-step explanation:
The vector PQ is Q-P = (2, 1). The vector SR is R-S = (2, 2). One is not a multiple of the others, so the vectors are not parallel. In a parallelogram, these vectors would be identical. PQRS is
not a parallelogram.