Agent Hunt is transferring classified files from the CIA mainframe into his flash drive. S represents the size of the files on the drive (in megabytes) after t seconds.
S = 5t + 45
What was the file size on the drive before the transfer?
megabytes

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?