Quiz 12 Question 1 Convert into a system of first-order equations. e345 sin(53)] f0 ONone of the above. Question 2 Convert into a system of first-order equations. y"+6y-cos( 31) a) Irl-ër2--@g-3sin( 3 )] b) 63) e23 sin(31)) f) None of the above. Question 3