PLS HELP!! In a triangle ABC, AB=3, BC=6 and AC=5. Calculate the size of the angle C.

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Explain why the factor 1.5 is broke. into two numbers in the model.

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