Can someone help me? Step by step, no links. Will give brainliest to the right answer

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)