i read in class 4 but I don't explain the answer
Answer:

Step-by-step explanation:
A parallelogram has opposite parallel sides and it is a quadrilateral.
Answer:
5/6
Step-by-step explanation:
9/30 + 16/30 = 25/30 = 5/6
Answer:
No
Step-by-step explanation:
Answer:
Y is greater than or equal to 1/2x + 20
Y is less than or equal to 2/3x + 80
X is greater than or equal to 1200
X is less than or equal to 1850
Step-by-step explanation:
trust