Answer:
one solution
Step-by-step explanation:
X-9=0
Add 9 to each side
X-9+9=0+9
x = 9
There is one solution
You find the overall change in temperature by adding them together.
-8 would be from were is decreased 8 degrees and +8 would be from where it increased 8 degrees
Like: -8+8=0
A: the mean salary is $500.
400+500+600=1500/3=500
b: the median is $500 also.
Answer:576
Step-by-step explanation:
6/15 . as 2/15 plus 6/15 is 8/15, which is greater than 1/2
