What does A represent in "BA+AB+AB+CAA"

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 conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2