Please help this is due today please i really need help it’s due in 5 hours!!! Given parallelogram FGHI determine the missing information

Don’t answer with one answer, blank or ridiculous answer please this is serious

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

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.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?