I think it's E. The negative one property of multiplication. Each function is basically showing that multiplying/dividing two pluses makes a plus and multiplying/dividing one plus and one minus makes a minus etc!
-(x-2) = x + 2
- x + 2 = x + 2
2x = 0
x = 0
i am a mathematics teacher. if anything to ask please pm me
Answer:
85
Step-by-step explanation:
The 9 th square number is 9² = 81
The 2 nd square number is 2² = 4
sum = 81 + 4 = 85
4, 3, 7 I hope this helped :)