What is x when 2x=12

What is the largest time period in the history of earth?

Throughout its history, how many people are estimated to have died from mining accidents and mining-related illnesses due to working underground at Cerro Rico?

Where is the geological feature where the Juan de fuca plate is punching under the North American plate

Sedimentary rocks are often found in which type of formation? A) layers B) blocks C) tubes D) crystals

The legs of a right triangle are 4 units and 7 units whats the length of the hypotenuse

How many offers were made ro the palestinians to create their own átate

Where is mt. kilimanjaro?

The primary purpose of Bretton woods conference was to

What was the World Trade Organization decision in 2006 related to genetically modified crops? Individual countries had the right to determine if they were going to allow genetically modified crops to come into their country.

12 out of 50 seventh graders said they would be willing to pay between $21-$30 dollars for a class trip. If there are 350 students in seventh grade, about how many would go oh the trip if it cost $30?