Last year, John earned $7.50 per hour working at a video store. This year, he is earning $8.10 at the same job. By what percent did John's hourly rate increase? ​

The point where two air masses meet is called a

How does a command economy differ from a mixed market economy? in a command economy, citizens have fewer property rights. in a mixed market economy, citizens have more property in a command economy, citizens have more property rights. in a mixed market economy, citizens have fewer property rights in a command economy citizens own all public property. in a mixed market economy, the government owns all private, property in a command economy, citizens own all private property in a mixed market economy, the goverment owns all public property

What is a small water source like a stream or brook?