2. solve, by substitution, the equations: 3a + 12b = 14.4
a=0.56+3

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the