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Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Find cot x if sin x cot x csc x = √2

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.