Hannah made a deposit into her savings account at a simple annual interest rate of 5%. Hannah earned $3600 in interest after 8 years. What amount did Hannah originally deposit? A. $4500
B. $7200
C. $9000
D. $12,600
ps its NOT B

Need this asap if anyone can i would be very grateful. if you could show workings that would really

What is the difference between the predicted value and the actual value

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?