A square has an area of 49 square feet. What is the perimeter of the square? I don't get this plz someone say the answer plz

Mens rea is a latin term that means guilty mind and refers to the concept of whether or not a person intended to commit a crime. why is mens rea considered a key component in many types of crimes?

The 14th amendment overruled the supreme court case of dred scott vs. sandford. the landmark supreme court case determined which of the following points? a.slaves could not be citizens b.non-landowners could not be citizens c.blacks could not be citizens d.all persons born or naturalized in the united states vary differently in citizen status.

Who did the first work in creating vaccines