Answer:
1) 20
2) -3
3) x+18y
4) x=-18
its A because 3 plus 6 is 9 and they're both negitive. you then leave the 3x^2 and leave the x/2 both still posivive
Answer:17.9
Step-by-step explanation:
The second ball would most likely be red and there are 5 red balls in the bag. And if you replaced the ball it would most likely be the same ball.
