Answer:D.51
Step-by-step explanation:180-68-61=51
Answer: A
Step-by-step explanation: The reason is when the circle is empty, it means it isn't equal to and is either only less than or greater than, when the circle is full, it means it can be less than or equal to 5.
B they only have one pair of parallel sides. The top and bottom
The answer is 7.5for the question
Answer:
Q= 6x+1
R= -7x+1
Step-by-step explanation: