Christopher buys a box of pens for $4.38 and is given $0.62 as change. Which equation represents the situation if x is the amount Christopher had before he bought the pens?

How did roman authorities treat conquered peoples? required them to pay taxes to rome replaced their local governments compelled them to adopt roman customs invited them to become roman citizens

What from the columbian exchange had perhaps the biggest impact on the world?

What are the 6 steps in the scientific method