Which of these is a correct statement? You can grab the ball to toss it back to the opponent
You can throw the ball to the other side on a serve
You can use your fingertips to pass the ball to your teammate (as long as you do not grab the ball)
If the ball hits your foot, you can IMMEDIATELY hit the ball with your forearms after

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

magnified images possible images can be real = projected onto a screen

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.