Answer:
-8
Step-by-step explanation:
r=2
so multiply third term by 2
Well if he made 10 in 4 hours, that means he made 5 in 2 hours. after 2 hours he had 30 cards, so that means he started with 25 cards. Mr. Cringle is making 2 and 1/2 cards per hour.
If this is correct the answer would be
y^2 + 0.1y + 0.0025
Answer:
y= -3.5x+57.5.
Step-by-step explanation: