If A is a 4×4{“version”:”1.1″,”math”:”4×4″} invertible matrix, which of the following statements must be true? a.  Ax=0{“version”:”1.1″,”math”:”Ax=0″} could have a nontrivial solution. b.  A is the product of a finite number of elementary matrices. c.  The determinant of A must be 0.

Which of the following patients is in decompensated shock?

Determine whether or not the given transformation is a matrix transformation:  Tx1,x2,x3=0, x1+x2+x3{“version”:”1.1″,”math”:”Tx1,x2,x3=0, x1+x2+x3″}.

Perfusion is most accurately defined as the:

A group of students is surveyed. 15 of the students are taking physics only. 19 of the students are taking physics. 8 students are taking chemistry. 7 students are taking calculus. 3 students are taking calculus and chemistry. 3 students are taking calculus and physics, but not chemistry. 1 student is taking calculus, chemistry, and physics.   a) How many students are taking chemistry only? b) How many students are taking exactly two classes? c) How many students are taking calculus only? d) If 40 students took the survey, how many of the students are taking none of the three classes?

a) Convert 15 degrees to radians. b) Find four different angles that are coterminal with π4{“version”:”1.1″,”math”:”π4″}.  

The Decembrist Revolution of 1825 occurred in ___.

Evaluation of the interior of a crashed motor vehicle during extrication will allow the EMT to:

The “Powder Keg of Europe” refers to ___________________.

IfA=2-316{“version”:”1.1″,”math”:”A=2-316″} and  B=5432m2{“version”:”1.1″,”math”:”B=5432m2″}, find ATB{“version”:”1.1″,”math”:”ATB”}.