Answer:
1000
Step-by-step explanation:
the math
The absolute value of -81 has the same absolute value as that of 81 because they both have the same distance to 0.
- 90, 50 , 40
And
60, 50, 70
I think the answer of this question is number b. quadratic
Answer:
Let 
Solution: 
Step-by-step explanation:
See attached for step-by-step