Answer:
counted down
Step-by-step explanation:
it was counting up and went down by couting down in 2
Answer:
C: A line travelling to the right with an open dot on p = -3.
Step-by-step explanation:
You use a closed dot when the equation is greater/less than or equal to: 
It goes right because if it went left it would be p < -3.
First, add 2 to both sides. You should have 3/2x=21. Multiply both sides by 2 which gives you 3x= 42. Divide by 3 and you have x=14
미안하지만 나는 영어를 잘 몰라, 너는 한국어로 설명해 줄 수 있니?