Someone answer this please

What is the area of the triangle 10 13 12

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample