What action would you use to solve x-3=12

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4