Answer:
x=3X 2 + 5x -6
Step-by-step explanation:
3X2 + 5X-6= 3X2 + 5X 6
X=3X2 +5X -6
Ali must wear a totally ginormous shirt !
Any quadrilateral has sum of all angles equal 360⁰.
So,
m∠D+78+91+90=360
m∠D=360-(78+91+90)=101⁰
Answer is A.
Neither of them are positive because a negative times a positive is always a negative.
now if there is a typo, and these are supposed to be added/subtracted, then that is a different story
