Answer:
1/7
Step-by-step explanation:thats it
There is only one solution
Either 1 or 3 - 1 is all positive and 3 is all negative
Answer:
B.
Step-by-step explanation:
First you need to figure out how many numbers there are, so with this you can simply count 10. Then use the formula to plug in the numbers: 10(22-77)/2 to get the answer.