1+1=?
2+2=?
7+7=?
9+9=?
5+5=?

What situation is an example of an observational study

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking