Question

I I want this answer quickly please can you try it​

Answer 1

Answer:

1) 3

2) 100

3 ) n(n+1)/2

50×51/2

1275

4 ) only one line

5 ) 106×106- 94 × 94

11236- 8836

2400

6) 4x+5x = 135

9x= 135

x = 15

7) 1

8) 4

10) -2(2)^2

-2 × 4

-8

hope it helps

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