What is the square root of -1?
–i
i
–1
1

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.