Distance on the Coordinate Plane

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

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?