(opposite angles in a parallelogram)
(subtraction)
(angles in a triangle add to 180 degrees)
(adjacent angles in a parallelogram are supplementary)
(subtraction)
(angles in a triangle add to 180 degrees)
(angles on a straight line add to 180 degrees)
I think the answer is (a)
Answer:

Step-by-step explanation:
![\displaystyle [POSITIVE, NEGATIVE] → QUADRANT\:IIII \\ [NEGATIVE, NEGATIVE] → QUADRANT\:III \\ [NEGATIVE, POSITIVE] → QUADRANT\:II \\ [POSITIVE, POSITIVE] → QUADRANT\:I](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5BPOSITIVE%2C%20NEGATIVE%5D%20%E2%86%92%20QUADRANT%5C%3AIIII%20%5C%5C%20%5BNEGATIVE%2C%20NEGATIVE%5D%20%E2%86%92%20QUADRANT%5C%3AIII%20%5C%5C%20%5BNEGATIVE%2C%20POSITIVE%5D%20%E2%86%92%20QUADRANT%5C%3AII%20%5C%5C%20%5BPOSITIVE%2C%20POSITIVE%5D%20%E2%86%92%20QUADRANT%5C%3AI)
I am joyous to assist you at any time.
Answer:
12x^8 hope this helps
Step-by-step explanation:
Answer:
D : One Real Root
Step-by-step explanation:
Isolate "4x" by subtracting 7 from both sides.
So we get
4x = -7
Then we divide each side by 4 to get -7/4
x = -7/4 so there is only one real root.