- Is making a pancake from batter a physical or chemical change?

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8.96g de Al(OH)3 moles? Tan2x=2tanx/1+tan^2x... my math teacher gave me this but I thought the double-angle identity was with a denominator 1-tan^2x? Y’’’-y’’-4y’-6y=17e^(-x) Express the solution inits simplest form? (a/b)*(a/b)(a/b)*? Using binomial expansion, evaluate (0.99)^6 to 3 decimal places. please show the full working.?