Answer:
D
Step-by-step explanation:
Amanda's unit rate would be
s=50m
while Mary's is
s=60m
60-50 is 10, meaning the answer would be D.
Mary saves $10 more than Amanda every month.
Hope this helps! :)
Answer: 5.44449
step-by-step explanation:
A circle. If the plane has any angle other than horizontal, it would be an ellipse