Since 20<span> is the largest number </span>common<span> to both lists, the </span>GCF<span> of 40 and </span>60<span> is </span>20<span>.</span>
Step-by-step explanation:

D. because PQR and XYZ are not congruent
Answer:
1 9/11
Step-by-step explanation:
1.81 repeating is the equivalent to 1 9/11