Answer:
there's no question
Step-by-step explanation:
....
Answer:
Step-by-step explanation:
A straight line adds up to 180 degrees, therefore 3x+6x = 180
9x = 180
x = 20
The half-life of the radioactive substance is 67.95 hours.
Answer:
-9
Step-by-step explanation:
You subtract 2x-6 that gives you -3
You add 3x+31 that gives you 3
You multiply your to answers -3x3
And you get -9 Hope this helps!!!!
HAVE A NICE DAY
The answer is JN. A way I try to remember a line segment is that they are like two eyes with a line in the middle (sorry they make the answer 20 or more characters)