Answer:
Step-by-step explanation:
Angles EBC and EDC are the same. and straight lines equal 180
so now to solve for x

im pretty sure the answer is 30
Solving to y gives you:y=x+3
Answer:
Skewed to the Left
Step-by-step explanation:
With the values, fewer values are found on the right and there are more values increasing on the left.
The graph is skewed to the left.
Answer:
-3 and -2
Step-by-step explanation:
7x² + 19x + 21 = 4x² + 4x + 3
combine like terms:
3x² + 15x + 18 = 0
3(x² + 5x + 6) = 0
(x + 3)(x + 2) = 0
x = -3
x = -2