Please help me with these 6 questions Ill give brainliest to whoever answers them all correct or whoever answers them and just gets 1 wrong (ill add the last question in my next post so u can answer it)

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x