Answer:
3x
Step-by-step explanation:



72
Add them all up = 48+9+15
The first 2 is in the tenths place
The second 2 is in the thousandths place
Answer:
-10
Step-by-step explanation:
x+75=180-(x+125)
2x=-20
x=-10
Answer: Choice B) The graph opens downThe negative 'a' value means the parabola opens downward. One way to remember it is that the positive 'a' value means "happy face" or "smile", and a negative 'a' value means "frowny face".
See the image attachment and note the color coding of the graphs.