The mean to your problem is 87.5
Answer: Try putting the positive number and then the negative number after the and like the example.
Step-by-step explanation:
Your answers are right, it could be a glitch.
Answer:
0.60
Step-by-step explanation:
Again, we have a 10x10 space, which means there are 100 squares.
In this case, there are 60 shaded squares. This gives the probability of 
which simplifies to 0.60
<span>The radius is 72, so the center is at y=72+12=84
x^2 + (y-84)^2 = 72^2</span>
