Use Guauss-jordan elimination to solve the following linear system.
5x - 2y = -2
-x + 4y = 4

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap