What is the area of the isosceles triangle

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

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74