If David hikes 4.5 miles an hour how long will it take to hike 18 miles?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?